bungle

[1]	spoil , botch , mismanage , stumble , bumble , Golf foozle , (Colloq) foul/screw/louse up , blow , mess/muck up , make a mess/hash/muddle of , muff , (Slang) (Brit) bugger , (US) snafu , (Colloq) fuck up
[2]	bodge , fumble , botch up , flub , screw up , ball up , muck up , fluff , bollix , bollix up , bollocks , bollocks up , bobble , mishandle , louse up , foul up , mess up , fuck up

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