muss
muss1 /mʌs/
(also muss up) verb [transitive] informal especially American English
Briscoe reached down and mussed the boy’s hair.
muss2
noun
no muss, no fuss used to say that something can be done easily and without problems – used humorously:
It works every time, no muss, no fuss.
| I |
(also muss up) verb [transitive] informal especially American English Date: 1800-1900
Origin: Probably from mess
to make something untidy, especially someone’s hair:Origin: Probably from mess
| II |
nounno muss, no fuss used to say that something can be done easily and without problems – used humorously: