Ifk is an abbreviation that stands for "I Fucking Know"
Used to be typed out as a way to signify that when a person tells you something funny

and you are excited to identify with their amusement from a joke.

Ifk can also be used as an exclamation of annoyance if a proposition was repeated ad nauseam or is obvious.
"Dude, did you see that face plant that guy did? was the funniest thing ever!"
"IFK man! hahaha"

"Don't forget tomorrow to bring beers!"
"IFK! jeez"
by Dave_Says March 20, 2019
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"Notting Hill is the best movie ever."
by Hugh Grant June 13, 2012
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I f*cking know
Robert Ricard- Bro ifk that's not you
Victim- Why you taking pics of pus and sending me them and saying that's me
by Judlig Wan Beetjoven February 8, 2018
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In Front of Keyboard. Opposite of AFK (away from keyboard).
Hold on, I'll check that the server is up once I'm IFK.
by serverninja89 July 21, 2021
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Clara got annoyed with Josh when he texted her “Do you know what a pencil is?” She said “Ifk!”
by Madelyn’s DEFFYS! June 23, 2018
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when you mean to spellidk” but your phone picks up “ifk” and you end up looking stupid
friend one-“ do you think emma and matt are dating?”
friend one-“lol what?”
you-“i meant idk
friend one- “oh”

by therealmf April 18, 2021
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i’ont fuckin know. when you really don’t know the meaning of something
macey: who’s hailey’s new boyfriend?
caroline: ifk
by the.queen May 30, 2019
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