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Verb: make a mess of
  1. Perform or handle something badly, incompetently, or unsuccessfully; ruin or spoil
    "He made a mess of his presentation"
     
  2. Cause disorder or untidiness in a place
    "The children made a mess of the living room"; "The storm made a mess of the garden"

Derived forms: making a mess of, made a mess of, makes a mess of