Acronym for Katie You're Stupid. Used when your basic friend Katie is being dumb.
Me: Oh you like that boy and he likes you!
Katie: Yeah, but I don't wanna date him.
Me: kys
by Imbasic September 16, 2017
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the original and best sexual lubricant on the planet
Back in the 60s my favourite night of the year was right after my wife had her Pap Smear done; the doctor lubricated the speculum with KY, and there was enuff left in her muff that I could just "glide til I cried"
by John R. December 9, 2003
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a girl who is extremely cute, amazing, funny, beautiful and a really great person. if you ever meet a ky, you should consider yourself the most lucky person on this whole planet
-I'm ky's friend

- BRO YOU'RE SO LUCKY. KY IS AMAZING WTF. HOW.
by Emokid2007 April 5, 2016
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An internet slang acronym that means "Kill Yourself" (note kill yourself would grammatically be incorrect as yourself is one word)

The term itself is usually used among any means of communication through the internet as a way to point out someone's flawed logic, or just a word to use when someone is being so utterly brain dead that there is no other term usable.

The acronym itself has itself lost all intelligent meaning due to 12 year old Minecraft kids who breathe in Cheeto dust every time they inhale, and normies who have no idea what the word means, let alone what the word's actual implication is, dumbing it down to a new age LOL.

Often comes coupled with words like retarded, gay, weeaboo, and faggot, which have also been dumbed down greatly by the same people mentioned earlier
YouTube commenter: Omg Roblox is so fun to watch, plz upload moar of it

12 year old minecraft normie: stfu gay retarded weeaboo faggot, go kys
by ExpandedDongerzz June 17, 2017
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Acronym for "Keep Yourself Safe".
An expression usually used in parting.
Not to be confused with kys.
Lucas the Spider: Good night and KYS, Tingeling.
Tingeling the Cat: You too, Lucas! KYS and sleep tight.
by KyousukeK September 2, 2018
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It stands for.... uh...... k......... uh........ Kook your..... sausages...... yea..... kook your sausages, kids....
by FoxCat Man December 2, 2019
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A mysterious boy who always seems to be serious some who befriend one say that once you get to know a Ky they will be loyal to you no matter what, there are a lot of legends around Kys, they seem to be rare and invisible so if you find one you could consider yourself lucky, if your lucky enough you may even befriend one.
Why is that boy always so quiet, he must be a ky.
by Anonymous_Writer June 5, 2018
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