Easy and short way to say "Kill yourself"
K = kill
Y = your
s = self
Gay: Have you heared justin bieber - sorry?
Guy: kys, gay.
The word KYS is typically used to mean, I watch orgy porn with multiple so called "MILF's" pegging slutty femboy men.
It can also mean that the user of the word will go and watch or do the aforementioned type of pornography
kys mean kill your self
paris. you like samarion
lanay. kys