Someone who isn't thinking straight. Lacking in brainpower.
He always loses his keys- he's such a bonkerhead!
by Mammadeaux August 03, 2009
a silly person; a dork
Daniel is a bonker head.
by bananaheed December 10, 2009
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.×