screw up

US /skruː ˈʌp/

UK /skruː ˈʌp/

1.

to make a mistake or do something badly

:

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I really screwed up the presentation.

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Don't screw up this opportunity.

:

mess up botch bungle foul up flub

2.

to treat someone badly or unfairly

:

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The company really screwed him up by not paying him on time.

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Don't let anyone screw you up.

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exploit mistreat take advantage of rip off

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screw have a screw loose on the up and up up up to have your head screwed on (the right way)come up with