muss up

English

Verb

muss up (third-person singular simple present musses up, present participle mussing up, simple past and past participle mussed up)

1. (obsolete, slang) To treat roughly.
   • 1916 March 11, “[advertisement] You Men Who Have Pipes”, in Saturday Evening Post‎^[1]:

     Tuxedo is a good-hearted, gentle, quiet, soft-voiced tobacco […] no "fighting spirit" in it anywhere to muss up your tongue.

2. Used other than figuratively or idiomatically: see muss,‎ up.

Anagrams

• sum-ups, sums up