When you are very Intoxicated and start posting things on a social network that you would NEVERpost if you were sober.
Frank: "What the hell dude"
Jim: "What?'
Frank: "You said you wanted to fuck my wife on facebook last night"
Jim: "Oh fuck, I think I was shitfacebooking last night."
Frank: "You're Fired" (Punches Jim in the face)
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi