A short abbreviation of "kill yourself" Commonly used by LeafyIsHere Fans when attacking other peoples channels on youtube
kys faggot
by slimeyoldnegro May 7, 2016
Get the kys mug.
KYS is not only for 'kill yourself' but it also short meaning of 'keep yourself safe'! :D
Jessica: kys,robert! there are so many crocodiles in the river!
Robert: r u telling me to kill myself?

Jessica: .
by mybigass October 5, 2017
Get the kys mug.
Guy 1: yo bro imma go riding on my bike
Guy 2: kys.
by the she male February 4, 2017
Get the kys mug.