Definition of "mess up" []

• To make a mess of; to untidy, disorder, soil, or muss. (verb)
• To cause a problem with; to introduce an error or mistake in; to make muddled or confused; spoil; ruin. (verb)
• To botch, bungle; to perform poorly on. (verb)
• To make a mistake; to do something incorrectly; to perform poorly. (verb)
• To cause (another person) to make unwanted mistakes in a given task, usually through distraction or obnoxious behavior. (verb)

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• "Oh, it were a mess up there at the convent, too; and rude words writ on the gate, and dirt put into the letter-boxes, and songs sung and all of them yowling like wolves."
• ""How would you like to really mess up the dream realm, prune-bosom?""
• "The Yanos mess up that narrative and show the random nature of the process."