What is s.y.m?

Spankin Ya Man. Better known as masturbation or Chokin da Chicken.

yo dubb, i just caught dis nigga S.Y.M.'n.

Shit is bad. i went to my girl house last night, her period was on so i had to SYM.

s.y.m - meme gif

(screw you man)a saying used by young children at malls wearing heelies who think they are the shit

S.Y.M, you're being a real asshole.