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 05, 2017
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A short abbreviation of "kill yourself" Commonly used by LeafyIsHere Fans when attacking other peoples channels on youtube
kys faggot
by slimeyoldnegro May 07, 2016
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It stands for "Keep Yourself Safe"

We have now changed it.

Save humanity
Gerald: Alright man! Kys.
John: I will, kys too!

It sounds weird and funny at first but I am really just trying to change this word for peoplesown sake.
by XReaderLX December 13, 2016
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