muck up
v 1: make a mess of, destroy or ruin [syn: {botch}, {fumble}, {botch
up}, {muff}, {blow}, {flub}, {screw up}, {ball up}, {blunder},
{spoil}, {bungle}, {fluff}, {bollix}, {bollix up}, {bollocks},
{bollocks up}, {bobble}, {mishandle}, {louse up}, {foul
up}, {mess up}, {fuck up}]
2: soil with mud, muck, or mire; "The child mucked up his shirt
while playing ball in the garden" [syn: {mire}, {muck}, {mud}]