What “IK” Stands for & How to Use It

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The definition and history of this popular slang in texts and online

Co-authored by Anyah Le Gilmore-Jones and Aly Rusciano

Last Updated: April 22, 2024 Fact Checked

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“IK” Meaning

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How to Use “IK”

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“IK” Origins

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Less Common “IK” Meanings

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Related Texting Abbreviations

So, a friend just sent you a text that says “ik.” Is it a typo? What are they trying to say? “IK” or “ik” is a popular text abbreviation that stands for “I know.” Instead of typing out the whole phrase, people shorten their texts with the acronym. Keep reading for more examples of this abbreviation in action (and for tips on how to use it yourself).

What does “ik” mean in texting?

In texting, “ik” or “IK” means “I know.” People use this slang acronym to say they know something already. The abbreviation helps make texts or messages shorter. Plus, it’s faster to type. For example, if someone texts you “There’s a solar eclipse tomorrow,” you could reply with “ik!”

Section 1 of 5:

“IK” Meaning

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“IK” stands for “I know.” When texting or messaging, someone may abbreviate the phrase “I know” with “ik,” “IK,” or “ikkkkk” to shorten their message—they’re saying that they’re already aware of something. The more ks the acronym has, the longer the “know” is being drawn out (like you're saying "I knoooooow").^{[1]
X
Research source} “IK” can be used in response to a statement or question or within a sentence:
- You: “Did you see that Taylor Swift is coming to Florida?!”
  Them: “IK!!! I’m freaking out 🤪”
- You: “What do you want to do on Saturday?”
  Them: “It’d be nice to go outside. IK it’s supposed to rain, but we can always hike with an umbrella!”

Section 2 of 5:

How to Use “IK”

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Use “IK” to tell someone you already know something. Simply type “IK” or “ik” when you want to say “I know.” Not only is it shorter to type, but it can also be used to convey different emotions. For instance:
- When you’re annoyed or upset, send a message that only says “ik” to be blunt (if you include a period, it will seem even more abrupt).
  - Them: “Tommy is dating Sally!”
    You: “ik.”
- When you’re happy or excited, use “IK” and expressive emojis like 😁 and 😆.
  - Them: “We graduate tomorrow!!”
    You: “IK! 😆 How is this actually happening?”

Section 3 of 5:

“IK” Origins

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“IK” became a popular acronym with the rise of instant messaging and texting in the late 90s. Although it was frequently used, it’s believed that the definition wasn’t digitally recorded until 2004 on Urban Dictionary.^{[2]
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Research source}
You’ve likely come across “IK” or “ik” while texting a friend, scrolling through Instagram, or scouring X (formerly Twitter). That’s because the slang abbreviation has become just as popular and recognizable as “LOL” and “OMG” over the years. While you might see it in public posts, it's used most often in private text or direct message (DM) conversation.

Section 4 of 5:

Less Common “IK” Meanings

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“IK” isn’t only used in texting—it’s used in various contexts! Check out these other (not as common) meanings of the abbreviation:
- It knits: Used on knitting social media platforms
- Immortal King: To express praise while gaming
- Idiot King: Used to describe someone extremely idiotic
- Instant kill: Dying immediately in a video game
- Indigenous knowledge: Describing something known by an Indigenous person
- Ippatsu Kikimusume: A popular Japanese manga
- Invisible Kid: A 1988 movie and 2003 Metallica song
- Israel Kamakawiwo’ole: A Native Hawaiian musician and singer

Section 5 of 5:

Related Texting Abbreviations

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“IK” is only one of many text or slang abbreviations out there. Take a look at these other common messaging acronyms to stay in the loop:^{[3]
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Research source}
- IDK: I don't know
- IYKYK: If you know, you know
- WDYM: What do you mean?
- NP: No problem
- NM: Not much
- SMH: Shaking my head
- BC: Because
- CTN: Can’t talk now