Kys can mean "Keep you safe"
Exemple: Team keep your safe! Team kys!
'Mate that's a sick polo you got there bro'
'Do you see any buttons? It's not a polo, KYS'
Keep yourself safe
Means when you love your friends and want to show them you really care
You hsve a lovely opinion so i want you to kys
kys stand for kill your self
hey jimmy how r u
kys
:0 bish da fuq
its used to threaten people to KILL THEMSELFES!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Person 1:hey bro
Person 2:kys
Person 1:bro what did i do i just said "hey bro"
Person 2:KILL YOUR SELF!!!!!!!!!!!