1 definition by Athena 777

Top Definition
Somebody that annoys you so badly it's like their gnawing at your ass.
My math teacher is being the biggest buttmuncher today because he assigned, like, 50 pages of homework.
by Athena 777 December 28, 2005
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.