Synonyms for louse up
verb
- (Slang)
To harm irreparably through inept handling; make a mess:
ball up, blunder, boggle, botch, bungle, foul up, fumble, gum up, mess up, mishandle, mismanage, muddle, muff, spoil. (Informal) bollix up, muck up. (Slang) blow1, goof up, screw up, snafu. Idiom: make a muck of. See correct, help
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