" ISTG is used to add emphasis to a statement (usually a promise, threat,. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. "I swear to. 2. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. new search. It is typically used to show appreciation of an act of kindness by a loved one. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. ISTFG. ’. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. ISTG is simply an acronym that means I swear to God. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). What does Istg mean in text message . For example, they might say “ISTG this homework sucks. ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. This phrase should only be used in casual conversation. They prefer to work in traditional organisational environments, with people who take their. When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. Prison gang. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. What does istg mean in text. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. ”. Abbreviation of I Swear To Mother Fucking God. It is an expression used to emphasize the truthfulness or sincerity of a statement. Meaning. One of the known acronyms is “ISTG” or “istg”. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. Start the day smarter. The term comes from “shipping” within fandom culture. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. ISTG Meaning= Honesty or Certainty2. In conclusion, “ISTG” is an acronym that stands for “I swear to God. Page ContentsWhat Is ISTG Meaning1. It can be used to express emotions, surprise, or sudden kind of feelings. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. Like, "ISTG, if I get one more. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. ETA meaning: estimated time of arrival. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. ”. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited. When used in text conversations, ISTG retains its original meaning of “I swear to God. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. ATP meaning: answer the phone. Here’s our round-up of the latest Roblox slang. What does ISTG mean in the text? Ans. This. . What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. IMO meaning: in my opinion. It could be used to show how excited they are or to express. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. FYP means For You Page. This initialism should be avoided in professional situations or in conversing with someone who is religious. ISTG means I swear to God. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. In texting lingo, “istg” simply stands for “I Swear To God”. ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. Get all the news you need in your inbox each morning. suggest new definition. It is commonly used as an exclamation or interjection. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. ISTG Meaning. How Is ISTG Used? Use Cases & Examples. Jamie Grill / Getty. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). ISTG and OMG can also be used interchangeably often. HMU meaning: hit me up. IYKYK meaning: if you know, you know. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. ISTG stands for “I swear to God. Usually used after saying something ‘cool’. Essentially, ISTG is a shortcut way of saying "I. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. Testify. ISTG is often used in informal conversations, texting, and on social media platforms. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. It may sound like a new term to some, but this one is very familiar to social media users. It’s similar to the term ‘ONG. STFU is an acronym that means "shut the fuck up. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. It can often. ISTG. Definition of ISTG in Slang/Internet Slang. Complaint Of Patient Data C. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. They are there for each other on the good days and the bad days. In summary, ISTG is an acronym widely used in informal online communication. ISTFG. Here's what this versatile slang term means and how you can use it in your messages and social media posts. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. ISTG is an acronym used for “I Swear To God. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. Well, fret not – I’m here to help unravel the mystery for you. ISTG Meaning. What Does ISTG Mean? Introduction. ISTG stands for I Swear To God. The ISTG acronym is commonly used in response to a person who doubts something that you said. This phrase is typically employed to express surprise, disbelief or concern over a given situation. TLDR meaning: too long; didn't read. I swear to God. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. ETA meaning: estimated time of arrival. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. Today, I'll walk you through what ISTG means in text. In a different context, “sw” can also mean “someone who. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. This initialism should be avoided in professional situations or in conversing with someone who is religious. HMU meaning: hit. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. ISTG Meaning. Pinky promise. I swear to fucking god. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. The media could not be loaded, either because the server or network failed or because the format is not supported. ISTG Meaning= Expression of Disbelief4. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. ISTG is an acronym that means I swear to God. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. This phrase is used to emphasize the truth of a statement or assertion. "I swear to. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. ”. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. It can be used to express emotions, surprise, or sudden kind of feelings. The acronym ISTG is commonly used in text. This is also very similar to. STFG stands for Super Teacher Friends Group. ”. new search. One such popular slang on platforms like Snapchat is ‘ISTG’. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. ISTFG. ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. '. The phrase was later. This expression is most likely something you've heard in ordinary conversation. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. It can be written in both lowercase “istg” and capital “ISTG” letters. It stands for “I swear to God. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. Specifically, as internet usage is increasing daily,. ISTG is short for "I swear to God. It's not typically used in a religious context. Every TikTok user's FYP. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. ISTG. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. It is commonly. ISTG can be used in various contexts and can have different implications depending on the conversation. TikTok lingo is hard to keep up with. ”. It can also be an expression of surprise or. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. FOMO meaning: the fear of missing out. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. ”. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. I Swear to God. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. Get all the news you need in your inbox each morning. Definition of ISTG in Slang/Internet Slang. ”. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. This is also very similar to. 2. Guarantee. ISTG is an acronym that stands for ‘I Swear To God. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. Clear Of Patient Diagnosis B. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. " “ISTG” meaning over text message. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. It’s also like STG. Simply put, “ISTG” stands for “ I swear to God . Here's what "ISTG" means and how you can use it in your next text exchange. Usually, students or the young generation use this acronym. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. ” This abbreviation is commonly used in informal conversations on various digital. This initialism should be avoided in professional situations or in conversing with someone who is religious. ISTG stands for: I Swear To God. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. Usually, students or the young generation use this acronym. As in, I swear that actually happened. ISTG Meaning= ThreatUse Cases & Examples. ISTG is an acronym that stands for “I Swear To God”. B) used to be the symbol of a person wearing sunglasses with a smile on his face. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. 3. Sub the Gamer security threat group. I Swear to God. It’s a widely used acronym in text messaging and online chatting on social networking sites. "I swear to. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. Avoid using this abbreviation in business or professional settings because it is so casual. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. You will find information about the origin and other possible meanings in all types of information on this acronym, including its. It could be used to define the frustration or annoyance you might have towards something or somebody. STG: You can swear to god when you are frustrated or in exacerbation. What Does Istg Mean? The acronym ISTG stands for “I swear to God. . What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). Start the day smarter. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. Simply put,. ISTFG. ” Definition: Istfg is an acronym for “I swear to f Up. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. Some of these words and acronyms are used on other video games and social media platforms too. ILYSM means "I Love You So Much. ”. It's a close relative of the OMG (Oh My God). ”. The abbreviation “ISTG” is a shorthand. ”. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. OTP meaning: one true pairing (a couple that fans prefer to all other. 1 definitions of ISTG. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. This is only for close friends. The Meaning of ISTG in Text. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. This is a group of teachers that are more than friends. ”. More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. ISTG is simply an acronym that means I swear to God. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. ISTG Unveiled: Introduction to the Slang. One of the main uses of ISTG is in text messages or chats, either between friends or in a. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. Origin of ISTG. This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. In summary, ISTG is an acronym widely used in informal online communication. ABC – This doesn’t stand for anything. Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. This initialism should be avoided in professional situations or in conversing with someone who is religious. It is a stronger version of the phrase “I swear”. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. A very dramatic phrase to be used only in exceptional circumstances. Use Cases & Examples. LFG meaning: let's freaking go. This is a common acronym that is used online, typically in text-based communication. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. It can be used to convey sincerity, make promises, express annoyance, and more. It represents an empathetic or mildly shocked response to unexpected news or events. Throughout the years, a variety of terms have arisen which make it easier to communicate online. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. ISTG is an acronym that is short for “I swear to God”. ISTG stands for “I swear to God” in texts and on social media apps. OFC meaning: of course. Today, I'll walk you through what ISTG means in text and other text. ISTG Meaning= Threat Use Cases & Examples. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. For example, three sample text messages using the abbreviation ISTFG could be: 1. suggest new definition. ISTG has multiple definitions that can be used in various settings. IYKYK meaning: if you know, you know. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. GTFO can be used to express disbelief or displeasure. You might learn your child is using this slang term by chance when a text pops up on the phone screen. STG means different things to different people but its most common meaning is ‘Swear To God’. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. Chronic Obstructive Pulmonary Disease D. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. 4. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. I swear to fucking god. Promise. ”. Specifically, as internet usage is increasing daily, people. What does ISTG mean? ISTG means “I Swear To God”. ” Origin of ISTG. A. Swear to fucking god. "I swear to. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. The “baby” part of the phrase isn’t a literal reference to a child, and. OFC meaning: of course. Overall, the acronym STG stands for “swear to God. This phrase is often used on social media while making public posts or in private chats. ISTG stands for "I Swear to God. Here’s what this multifaceted slang term means and how you may. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. ” Kids often use this to express frustration or exasperation. I’m beyond shocked. TLDR meaning: too long; didn't read. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. 查看翻译. 2006)Texting with friends is the best way to use this term. ISTFG, I can’t believe she actually said that to me. What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. It is often used in informal conversations, especially when expressing frustration or disbelief. ISTG is an acronym used in texting, which stands for “I swear to God. This abbreviation is typically used to express surprise, confusion, disbelief, or. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. 1 definitions of ISTG. When someone uses ISTG, they are essentially emphasizing. Person1: I'm so exhausted. It can be a powerful tool for self-motivation and encouragement. It is used to express frustration, anger, or disbelief. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. This expression is used to emphasize the truthfulness or seriousness of a statement. Since this is a very casual acronym, avoid using it in. It’s also like STG. ”. However, as with many other abbreviations meaning "I love you," it should not. ILYSM can be used to express profound affection. ” Origin of ISTG. ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. It's used express emotional sincerity or to seem intimidating. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. Having a parental control app on your child’s phone will give you. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. Meaning. Use Cases & Examples. ISTG Meaning= Threat3. It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. It can be used as an exclamation, where users are expressing disbelief or shock.