a short abbreviation of "kiss you later"
Susan: kys ,babe
Karen: what?!
A chemical compound of potassium (K), yttrium (Y), and sulfur (S). It is also called potayttirum sulfide. While it is commonly used as a noun, it can be used as a verb to refer to the process of creating it.
Guy 1: "Go KYS."
Guy 2: "Yeah, I was actually planning to do that later. I'll pass by the store and get the things I need."
An abbreviation of kill your self often used to threaten someone
I told Taylor to kys
Fuck you man I loved him
a shorter version of "Kick your son"
Joe: Honey, the child is acting up again.
Honey: You know what, go kys.
a shorter version of "Kick your son"
Joe: Friend, the child is acting up again.
Joe's Friend: You know what, go kys.