Synonyms and related words :
be all thumbs, blow, blunder, blunder away, blunder into, blunder on, blunder upon, bobble, boggle, bollix, bombinate, botch, bum, bungle, butcher, buzz, commit a gaffe, drone, faux pas, flounder, fumble, lumber, lurch, mar, miscue, mucker, muddle, muff, murder, play havoc with, screw up, slip, snapper, spoil, strum, stumble, thrum, trip,