What is the meaning of Muck?

Slimy mud, sludge.

Soft (or slimy) manure.

Anything filthy or vile. Dirt; something that makes another thing dirty.

Grub, slop, swill

Money.

The pile of discarded cards.

Heroin.

Semen.

To shovel muck.

To manure with muck.

To do a dirty job.

To pass, to fold without showing one's cards, often done when a better hand has already been revealed.

To vomit.

To eat.

Alternative form of muc

dung, manure, muck

To dirty, foul

an objection, a protest

discernable part of an utterance

demobilization

Kiss sound, mwah

Source: wiktionary.org