1 definition by Star N.

A combination of the word ''boner'' and the word ''douchebag'' creating ''bonebag''. Basically a person who is a complete jerk, but seems to be that way because of his boners.
Girl 1: He's such a bonebag.
Girl 2: I know right. He probably jerks off every night.
by Star N. April 22, 2011
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