muss up[verb]Synonyms: disorder, disarray, disorganize, disrupt, jumble, mess (up), mix up, muddle, rummage, upset
Related Words: dishevel,
rumple,
wrinkle [TahlilGaran] English Synonym Dictionary ▲
muss1 /mʌs/ (
also muss up)
verb [transitive] informal especially American English[
Date: 1800-1900;
Origin: Probably from mess]
to make something untidy, especially someone’s hair:
Briscoe reached down and mussed the boy’s hair. [TahlilGaran] Dictionary of Contemporary English ▲