My math teacher is being the biggest buttmuncher today because he assigned, like, 50 pages of homework.
by Athena 777 December 28, 2005

by IhYfF July 2, 2009

Buttmunch is a common insult used to describe someone with a disagreeable personality. Character traits that can define a person worthy of being called a buttmunch include but are not limited to: annoying, mean, dumb, sarcastic, etc.
No ones knows were the term was originally coined before it was used in Beavis and Butthead, which brought the word to mass popularity.
No ones knows were the term was originally coined before it was used in Beavis and Butthead, which brought the word to mass popularity.
by Sakari October 30, 2012

someone who is a complete ass face, and has an inexplicably large head. also finds it amusing to laugh at the expense of others, and is renound for being irritating.
by xandi April 2, 2008

by Pregnant Ninja March 13, 2010

by .katelyn January 2, 2010

Kristen, your such a buttmunch!
by Dani_teh_biggest_band_geek_ever May 11, 2007
