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Meaning of bonehead

bone•head

Pronunciation: (bōn'hed"), [key]
— Slang. Slang.
—n.
  1. a foolish or stupid person; blockhead.
—adj.
  1. being of, by, or for a stupid or unthinking person: a bonehead mistake.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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