louse up

Verb

Meaning

make a mess of, destroy or ruin

Source: WordNet

bumble muff bungle blow fumble spoil fluff bollocks bobble botch screw up bodge mishandle ball up mess up

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angel support change better help aid

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fail miscarry go wrong

lousy

Government doesn't louse up everything, but it sure louses up a lot of what it promises to deliver. Jim Geraghty

I botched the dinner and we had to eat out Source: Internet

the pianist screwed up the difficult passage in the second movement Source: Internet