buttmunch

buttmunch

rude slang One who is stupid or irritating. Ugh, don't even listen to that guy, he's such a buttmunch.
Farlex Dictionary of Idioms.

butt-munch

n. a despised male. (Usually objectionable.) You dumb butt-munch! Why did you do that?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • butt-munch
  • (something) blows
  • bison
  • an old bag
  • an old bat
  • a copy
  • bad call
  • birdturd
  • butt-wipe
  • apple-knocker
References in periodicals archive
BUTT-HEAD: NO, buttmunch. I mean like, let's say someone came up and just hit you upside the head?