What is S-a-d?
an acronym for: Suck A Dick
Pronunciation: ES-UH-DEE
-"Hey Joe wanna hang out?"
-"Why don't you go S-A-D Jim."
-"If you didn't want to hang out you could have just said so."
which is an insult meaning go suck a dick or leave me alone in other words
See suck a dick, snd, sad