botch

[1]	bungle , mismanage , spoil , (Colloq) screw/louse up , blow , mess up , muck up , make a mess/hash/muddle of , (Slang) bollocks/ballocks/(US) bollix up
[2]	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

[1]	blunder , blooper , bloomer , bungle , pratfall , foul-up , fuckup , flub , boner , boo-boo