WordWeb Online

1. Something badly botched or muddled
   - cockup [Brit, informal], mess-up [Brit, informal], botch-up [Brit, informal]

1. Make a mess of, destroy or ruin
   "I ballsed up the dinner and we had to eat out";
   - botch, bodge [Brit, informal], bumble, fumble, botch up, muff [informal], blow, flub [N. Amer, informal], screw up [informal], spoil, muck up [informal], bungle, fluff [informal], bobble [N. Amer], mishandle, louse up [informal], foul up, mess up, butcher, goof up [informal], cock up [Brit, informal], make a hash of [informal]

Derived forms: balls-ups

Type of: error, fail, fault, go wrong, miscarry, mistake