1. Something badly botched or muddled
   "The presentation turned into a complete cockup";
   - mess-up [Brit, informal], botch-up [Brit, informal], stuff-up [Austral, NZ, informal]

1. [Brit, informal] Badly mishandle or ruin something
   "He cocked up the presentation by forgetting his slides";
   - botch, bodge [Brit, informal], bumble, fumble, botch up [informal], muff [informal], blow [informal], flub [N. Amer, informal], screw up [informal], spoil, muck up [informal], bungle, fluff [informal], bobble [N. Amer], mishandle, louse up [informal], foul up [informal], mess up, butcher, balls up [informal], goof up [informal], make a hash of [informal]
    
2. To stick up
   "The dog cocked up his ears";
   - prick up, prick

Derived forms: cockups, cocks up, cocking up, cocked up

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