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foul up

foul up

 
pronunciation:
faUl uhp
See:
foul
part of speech: phrase
definition 1: (informal) to bungle or make serious mistakes, or cause someone else to do so.
synonyms:
bungle, flub, goof, muff
definition 2: by improper, inept, or malicious behavior, to cause (someone or something) to be confused, distressed, or inefficient.
He fouled up the accounting system.You fouled me up by making me wait for you.
synonyms:
goof up, mess up, muck up, muddle
similar words:
botch, bungle, hash, trip