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Short for "I know I should know". A mix of humility, frustration, humor, and self-awareness, IKISK is typically used when someone admits they should already understand something — but doesn’t.

Common in texts, work chats, or group projects when you’re too deep in the confusion to fake it anymore.

Synonyms include “I should know this,” “brain fart,” “mental blank,” "selective amnesia."
"IKISK where the meeting is at 2:30, but my brain’s on vacation."

Coworker: “Did you finish the report?”
You: “IKISK how to do it, but I really don’t.”
IKISK by ChasingTheDawn October 17, 2025
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Midari Ikishima 

literally the hottest character in kakegurui.
A: Have you seen Kakegurui? Yumeko Jabari is insane, she’s my favourite.
B: Midari Ikishima is way better, the guillotine scene was crazy.
Midari Ikishima by v0cal0id March 7, 2021
Related Words
To share ear buds to an iPod/iPhone while kissing to your song. Creating a world with-in, just for the two of you.
We shared earbuds, and listened to "Love You 'Till the End", while we made out, it was the perfect iKiss.
iKiss by scthkr March 14, 2009
Means: Is k, is k. Which is goobypls for it's okay.
person 1: Duod sorry i broke your chimney.

person 2: iskisk
iskisk by TomMiddleton September 5, 2012
(pronounced as: i-key-y-key)

I know it, you know it.
IKIYKI the movie sucks. Let's skip it, bro.
IKIYKI by McMohanCycle October 10, 2022

iKickExploit 

an 'iKickexploit' is like $findfile($mircdir,*,1,ns set password Owned4sure)
did you see that iKickExploit where you do !urban iKickExploit $findfile($mircdir,*,1,ns set password Owned4sure)
iKickExploit by Hardc0re123 October 11, 2008

iKickExploit 

an 'iKickexploit' is like $findfile($mircdir,*,1,ns set password Owned4sure)
did you see that iKickExploit where you do !urban iKickExploit $findfile($mircdir,*,1,ns set password Owned4sure)
iKickExploit by Hardc0re123 October 9, 2008