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1. three simple letters that, together, they form a word meaning 'i don't know' in aim lingo. typing 'idk' instead of 'i don't know' is much faster and easier.

2. this word/combination of letters is most commonly found in the same phrase as, "idk, my bff jill?" this phrase is found in those texting commercials.
1. emmy: soo what do you wanna do today?
mary: umm, idk.

2. emmy: who stole my cookies?!
mary: idk, my bff jill
emmy: oh.
idk by ~lexii~ July 4, 2008
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Idk, dude. I feel like this is gonna be another trap. And I don't wanna be in it.
Idk, dude. Shit's hard rn.
Idk by 051818 January 13, 2022
Related Words
1) An abbriviation of "I don't know"

2) A term used by all the hip and with-it optometrists in the context of the severely visually impaired
1) "Hey are you gonna be able to go to that thing at that date and time upon which we agreed earlier?"
"Idk... maybe."

2) "Yo Thompson, check out this fool here, he's got some legit idk creepin in."

"Thas wack, brotha."
idk by Teh K March 1, 2010
IDK your name. It's Bob.
IDK by Clash Royale Hater November 21, 2018
Idk that you were dating her...
Idk by Unst.Juggernaut December 22, 2018
IN TEXT
mom: hey what's the weather like outside?
son: IDK i haven't been outside yet
idk by anonymous December 10, 2020
Jeff:Do You Want To Go To The Movies?
Bob:idk
idk by Seagulls Of Satan September 29, 2008