muck something up

muck up

To ruin or mess something up. A noun or pronoun can be used between "muck" and "up." Boy, you really mucked up this report, and I don't have time to fix it right now.
See also: muck, up
Farlex Dictionary of Idioms.

muck something up

tv. to mess something up; to ruin something. Try not to muck it up this time.
See also: muck, something, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • muck up
  • buy (yourself) time
  • buy time
  • arrange for
  • arrange for some time
  • arrange some music for
  • involve with
  • involve with (someone or something)
  • involved with
  • back into (someone or something)
References in periodicals archive
"There are a million ways you can muck something up...