Entry 1 sense Webster, 1913 bollocks · IPA /ˈbɒ.ləks/ 01 v. to make a mess of. 1. to make a mess of. Syn. botch, fumble, botch up, muff, blow it, flub, screw up, ball up, blunder, spoil, muck up, bungle, fluff, bollix, bollix up, bollocks up, bobble, mishandle, louse up, foul up, mess up, fuck up.