Butthead

Origin

From butt("buttocks, backside") + head.

Full definition of butthead

Noun

1. (vulgar, colloquial, pejorative) An annoying person or someone who is difficult to get along with.
• 2009, Glenn R. Schiraldi, The Post-Traumatic Stress Disorder Sourcebook‎‎, page 131:If you think, "He is such a butthead," you might ask yourself what a butthead...

Anagrams

• head butt, head-butt, headbutt