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Noun: foul-up  'fawl`úp
  1. An embarrassing mistake
    - blunder, blooper [N. Amer], bloomer, bungle, pratfall, flub [N. Amer], botch, boner, boo-boo, blue [Austral, NZ]
Verb: foul up
  1. Make a mess of, destroy or ruin
    - botch, bodge [Brit], bumble, fumble, botch up, muff, blow, flub [N. Amer], screw up, ball up, spoil, muck up, bungle, fluff, bobble [N. Amer], mishandle, louse up, mess up, bugger, balls up

Derived forms: fouling up, fouled up, fouls up, foul-ups

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