Top Definition
Kill your fucking self.
A word used by Bitches to attempt sounding cooler then another person.
-Girl over hears conversation-
Yeah! OMG Justin Beiber is soooooooo cute!

Girl walking by mumbles...Kyfs
#wtf #kfys #your #kill #self #noob
by Boss of the Boss September 12, 2010
Kyf
Kill your family
I'm gonna fuck your girlfriend

Alright Ill kyf
#murder #kill #yo #your #family #parents
by Kfy October 16, 2010
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