fo'd
Short for fucked. You know how there's that phrase, mofo, where the mo is "mother" and the fo is "fucker"? It's sort of like that.
When using this to shorten the phrase "Fucked up", it is not necessary to say "fo'd up". "fo'd" will work.
When using this to shorten the phrase "Fucked up", it is not necessary to say "fo'd up". "fo'd" will work.