Example : I botched the dinner and we had to eat out.
The pianist screwed up the difficult passage in the second movement.

Synonyms : 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, muff, screw up, spoil

Example : The child mucked up his shirt while playing ball in the garden.

Synonyms : mire, muck, mud