Pronounced "kiss". A cutesy way of showing affection to someone.
Person 1: I love you.
Person 2: Aww, kys!!
Keep yourself safe. (KYS=Kill yourself? yourself is one work dummies. Its ky.)
(After an end of a safety lecture, "KYS everyone!"
An aberration that means "Kill yourself"
Josh: I am going to play Roblox
Josie: Kys you faggot.
Kys is also short for "know your siblings", or even "keep yourself safe".
person1: "how did you not realise that your brother overslept? You should kys!" (example 1)
person1: "I'm not feeling very well."
person2: "Awh, that sucks. Kys!"
When some one makes me mad I'll be like kys which means kill yourself
Lilly- "I'm soooo hot"
Me- Kys hoe
Kys the insult of kill yourself
Guy1 yo I shaged ur nan bruv. Guy2 wtf kys.