mess up

fe’l verb

1. To make a mess of; to untidy, disorder, soil, or muss. The afternoon breeze messed up my hair.
2. To cause a problem with; to introduce an error or mistake in; to make muddled or confused; spoil; ruin. The change messed something up, and it's not working anymore.
3. To botch, bungle; to perform poorly on. Well, I messed up my solo, but otherwise it was a good concert.
4. To make a mistake; to do something incorrectly; to perform poorly. He has a hard time getting started because he's afraid he'll mess up.