muck up

muck  (mk)

n.

1. A moist sticky mixture, especially of mud and filth.

2. Moist farmyard dung; manure.

3. Dark fertile soil containing decaying vegetable matter.

4. Something filthy or disgusting.

5. Earth, rocks, or clay excavated in mining.

tr.v. mucked, muck·ing, mucks

1. To fertilize with manure or compost.

2. To make dirty with or as if with muck.

3. To remove muck or dirt from (a mine, for example).

Phrasal Verbs:

muck about Chiefly British

To spend time idly; putter.

muck up Informal

To bungle, damage, or ruin.

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[Middle English muk, of Scandinavian origin; akin to Old Norse myki, dung.]

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mucki·ly adv.

mucky adj.

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muck up

Verb

Informal to ruin, spoil, or do very badly: I mucked up my driving test

Thesaurus

Verb	1.	muck up - make a mess of, destroy or ruin; "I botched the dinner and we had to eat out"; "the pianist screwed up the difficult passage in the second movement" bobble, bodge, bollix, bollix up, bollocks, bollocks up, botch, botch up, bumble, bungle, flub, fluff, foul up, fuck up, louse up, mess up, mishandle, ball up, spoil, muff, screw up, fumble, blow go wrong, miscarry, fail - be unsuccessful; "Where do today's public schools fail?"; "The attempt to rescue the hostages failed miserably"
	2.	muck up - soil with mud, muck, or mire; "The child mucked up his shirt while playing ball in the garden" mud, muck, mire begrime, bemire, colly, dirty, grime, soil - make soiled, filthy, or dirty; "don't soil your clothes when you play outside!"