Bonehead, a term used to describe someone with a fixed sense of purpose to the point of being foolish.
Bonehead, a term coined by David Letterman to describe someone who purposely appears in the background of live television.
Bonehead, a derogatory term in the skinhead and punk subcultures, referring to white power skinheads.
Bonehead, a derogatory term in the United Kingdom, used by traditional skinheads to describe punk rock-influenced skinheads
Bonehead, a parody of the character William Bodie in The Professionals, and partner of Foyle in the Comic Strip films The Bullshitters and Detectives on the Edge of a Nervous Breakdown.
Bonehead, nickname of Ted Kennedy, United States Senator from the state of Massachusettes.
Another term for pachycephalosaurus, or other species similar to it.