A person or other item boasting the common rectum as a cranium.
Fozzy you are such a Bumhead. Let's have sex.
by Ms. Sarah Suckme February 20, 2005
2 more definitions
A bum head is a person who no one likes.
Fuckin' hell Kenroy you are a bum head!
by Petesbigtool May 03, 2006