D defs.my
Entry 2 senses Webster, 1913

mess up

/mĕs ŭp/ · IPA
01 v. t. To make a mess{5} of; to confuse, disorder, or muddle; to muss; to jumble; to disturb.
  1. 1.
    To make a mess{5} of; to confuse, disorder, or muddle; to muss; to jumble; to disturb.
  2. 2.
    To botch{3}; to bungle.