Crazy Ass Mother Fucker. One who is just plain crazy as hell. They will do whatever. They will have their cake and eat it too, and they will tell you to shove it. Because they are a crazy ass mother fucker.
Acronym for Cock-Ass Mother Fucker- An annoying little bastard that no matter what they do they always mess up. Basically a scrub that you just want to punch in the face. Or they can only complete Frisbee throws on the curve.