Definition of muck up

verb (v)

• make a mess of, destroy or ruin (verb.social)

  Synonym: ball up, blow, bobble, bodge, bollix, bollix up, bollocks, bollocks up, botch, botch up, bumble, bungle, flub, fluff, foul up, fuck up, fumble, louse up, mess up, mishandle
  

  source: wordnet30
• soil with mud, muck, or mire (verb.contact)

  Synonym: mire, muck, mud
  

  source: wordnet30

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