муцам

Etymology
Probably of expressive/onomatopeoic origin, related to (with s-mobile) or dialectal. Georgiev tentatively draws comparison with 🇨🇬, 🇨🇬.

Dictionaries make formal distinction between the transitive and intransitive senses.

Verb

 * 1) to suckle, to slurp, to gobble noisily
 * 2) to swash, to spatter to produce noise by hitting/disturbing a fluid
 * 3) to stain, to smear
 * 1) to swash, to spatter to produce noise by hitting/disturbing a fluid
 * 2) to stain, to smear