1. muss - Noun
2. muss - Verb
A scramble, as when small objects are thrown down, to be taken by those who can seize them; a confused struggle.
A state of confusion or disorder; -- prob. variant of mess, but influenced by muss, a scramble.
To disarrange, as clothing; to rumple.
A term of endearment.
Source: Webster's dictionarythe house was a mess Source: Internet
she smoothed the mussiness of the bed Source: Internet
the child mussed up my hair Source: Internet