motherfucker(n = noun.person) asshole, bastard, cocksucker, dickhead, mother fucker, prick, shit, sob, son of a bitch, whoreson - insulting terms of address for people who are stupid or irritating or ridiculous;
is a kind of disagreeable person, unpleasant person
1. A person who is deemed to be worthless or despicable; -- obscene and highly offensive. [WordNet 1.5]
2. Any object viewed as annoying or frustrating; -- usually used as an expression of anger. [PJC]