The mouth.
A sailor.
A whoopee pie.
A lump of soft or sticky material.
Waste material in old mine workings, goaf.
Saliva or phlegm.
To pack away waste material in order to support the walls of the mine.
To spit, especially to spit phlegm.
To gather into a lump.
Semen.
Heroin.
Soft (or slimy) manure.
The pile of discarded cards.
Anything filthy or vile. Dirt; something that makes another thing dirty.
Grub, slop, swill
Slimy mud, sludge.
To manure with muck.
To shovel muck.
To vomit.
To do a dirty job.
To pass, to fold without showing one's cards, often done when a better hand has already been revealed.