From WordNet (r) 3.0 (2006):
botch
n 1: an embarrassing mistake [syn: blunder, blooper,
bloomer, bungle, pratfall, foul-up, fuckup,
flub, botch, boner, boo-boo]
v 1: 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" [syn: botch, bodge,
bumble, fumble, botch up, muff, blow, flub,
screw up, ball up, spoil, muck up, bungle,
fluff, bollix, bollix up, bollocks, bollocks up,
bobble, mishandle, louse up, foul up, mess up,
fuck up]