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