The Collaborative International Dictionary
fuckhead \fuckhead\ n. 1. a stupid person; -- disparaging and vulgar. [disparaging, vulgar slang]
Syn: dunce, dunderhead, numskull, blockhead, bonehead, lunkhead, hammerhead, knucklehead, loggerhead, muttonhead, shithead.
Wiktionary
n. 1 (context vulgar pejorative English) A stupid or otherwise undesirable person 2 (context vulgar English) The knot which one with long hair usually develops on the back of the head after long periods of intercourse, specifically the missionary position
WordNet
n. these words are used to express a low opinion of someone's intelligence [syn: dunce, dunderhead, numskull, blockhead, bonehead, lunkhead, hammerhead, knucklehead, loggerhead, muttonhead, shithead]
Usage examples of "fuckhead".
The studio fuckheads who throw their goddamn little Sunday brunches and forget to invite you.
He thought if it had come down to him, Clemson and Malenfant and those other fuckheads would have killed until their ammo ran out — wasn't that pretty much what the men under Galley and Medina had done?
Potsie requires further punishment, and the coincidence of that particular fuckhead washing up in this particular fuckhole of a town is just too good to pass up.