flub


flub (http://definr.com/flub)

     n : an embarrassing mistake [syn: blunder, blooper, bloomer,
          bungle, foul-up, fuckup, botch, boner, boo-boo]
     v : make a mess of, destroy or ruin [syn: botch, bumble, fumble,
          botch up, muff, blow, 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]