One of the mysteries of the English language finally explained.
make a mess of, mess up, spoil, ruin, wreck
botch, bungle, mishandle, mismanage
make a hash of, screw up, louse up, muck up, muff, fluff, foul up
British make a muck of, make a pig's ear of, cock up, make a Horlicks of
North American flub, goof up
vulgar slang fuck up, bugger up, balls up
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