fys - meaning "fuck you say"
it's similar to the "fym" text.
usually used in conversations, with phones being iphones.
"fuck your self" sum to say to these bitch ass haters :3
"if your gonna keep commenting mean thing you should just fys and leave their page"
Fys is an acronym short for Fuck Yourself
Josh youre such a fuckboy, just go fys bitch.
Fuck you; I'm drunk
or
Fu;id: Fuck u; I'm drunk
On a thread: Your comment doesn't make sense.
Reply: Fy;id.