When a Facebook friend posts an idiotic comment that you made while intoxicated (usually the night before) for all to see.
Friend 1: Hey girl, remember last night when you said "I read books on tape"?
Friend 2: OMG, I forgot I said that. Aren't I awesome? You sooooo Face Busted me.
when your facebook status update or a tagged photo of you catches you out in a lie. normally associated with social events .
Bro: I invited Jimbo out to my gig last night but he said he couldn't go out cuz he was sick.
Dude: like hell. i just saw his photos on facebook from a party last night. He looks healthy as hell to me.
bro: Jimbo is so face busted. God help him when i see him next.