Found 2 items, similar to bonehead.
English → English (WordNet)
Definition: bonehead
bonehead
n : these words are used to express a low opinion of someone's
intelligence [syn:
dunce,
dunderhead,
numskull,
blockhead,
lunkhead,
hammerhead,
knucklehead,
loggerhead,
muttonhead,
shithead,
fuckhead]
English → English (gcide)
Definition: bonehead
bonehead
\bone"head`\ n.
a person of low intelligence; a dunce; a blockhead; -- used
deprecatingly to express a low opinion of someone's
intelligence or capabilities.
Syn: dunce, dunderhead, numskull, blockhead, lunkhead,
hammerhead, knucklehead, loggerhead, muttonhead,
shithead, fuckhead.
[WordNet 1.5]