muss (m s) tr.v. mussed, muss·ing, muss·es. To make messy or untidy; rumple. n. A state of disorder; a mess. [Probably alteration of mess.] muss i·ly adv.
Suggest a new related term:
mess, muss, mussiness. disorderliness, disorder - a condition in which things are not in their expected places; "the files are in complete disorder"