muss up

transitive verb

Definition of muss up

  1. 1 :  to batter or handle roughly :  beat, maul wanted to get there in time to muss him up a bit — J. F. Fishman

  2. 2 :  to make chaotic or incoherent :  confuse sold them liquor, and generally mussed up the situation — William Kent

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Seen and Heard

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a trip made at another's expense

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