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Seemingly derogatory term but often used with affection. In the classic sitcom Malcolm in the Middle, the brothers call each other buttmunch but with a smile and a pat on the back. The word can also be used as a sexually suggestive term, using it on someone you would actually like to munch on your butt.
1. Reese to Malcolm: Way to go buttmunch! I'm proud of you!
2. Reese to Malcolm (pulling down his pants): Hey buttmunch, dive in!
by zekebones May 11, 2018
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Butt Munch-
1. An annoying person that you would like to shut up.
2. A bothersome sibling.
3. A friend who is being a jackass.
Person 1: Hey man, you sure are cool! you have so many friends! I guess that's why everyone thinks you're such a winner

Person 2: Shut up you freaking butt munch.
by David Dugas May 04, 2005
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n. Someone who is a source of irritation, thus becoming the target of another's animosity.
Syn.: jerk, wanker, bastard, fucker, creep, buttmonkey, asshole, shithead
"Give the kid back his ball, you buttmunch!"

"All you do is make fun of me. You're such a buttmunch."
by Tatari June 10, 2003
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An annoying person, particularly a small one you can't call a worse name
Your little sis is a buttmunch
by Az December 14, 2002
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N. An annoying person who you can't stand. Someone you can't find a word for.
"Dude, stop being a Buttmunch!!"

"Don't talk to me! You're such a Buttmunch"
by IhYfF July 01, 2009
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