A dumb ass person who has nothing better to do than to munch ass all day. (i.e. loser)
by Anonymous April 23, 2003
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An annoying jerk, kinda like a person who is mean to you ,so you'd call them a buttmunch.
by Snot Sergeant April 12, 2004
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A man who is a noncomittal source of annoyance while demonstrating a frustrating lack of responsiveness
Brad's slow or non-existant response time makes him a buttmunch.
by Jen June 5, 2003
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When two people put their assholes together and one person shits causing the other person to “eat it” with their asshole.
When my girlfriend and I were buttmunching the other day, I felt a great sense of fulfillment as my asshole munched on her shit.
by Greenbriar29 March 7, 2023
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A person who enjoys chewing on asses for a living. The unsuspecting victim will end up with a sore ass full of teeth marks. Usually they will consume the shit of their unsuspecting prey.
"The buttmunch is coming to munch on you butt!"

Buttmunch: "Mmmm...I loves them asses!"
by Notta butmuncher November 15, 2006
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