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1.
yk
abbreviation for "you know"
"I just got so tired of school I had to leave, yk?"
"yk how I feel about that."
by idgaf99 May 04, 2013
26 2
 
2.
YK
To commit an unusually large, noxious, and possibly toilet-breaking bowel movement, usually in a public restroom or someone else's home.

Source: Internet fora.
"Man, don't go in there ... somone laid a YK!"

"Dude, I was on a date and I totally YK'd the chick's house."
by Fed March 09, 2005
57 38
 
3.
YK
The motherfucking boss.
Yo did you see YK?

How could I not? The aroma of him left me panty-less.
by Gent1eman December 05, 2009
24 22
 
4.
YK
Used in the Bust Cap linguistic system, to fuck
"Bust this shit"
"Bustin"
"YK thrice, DT all day long"
"Chinnie!"
by Justyn March 15, 2005
7 19