To shovel muck.
To manure with 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.
Heroin.
Semen.
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 slump or slouch.
To slop or drip slowly.
A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.
Solids separated from suspension in a liquid.
A mass of small pieces of ice on the surface of a body of water.
sludge metal
A sediment of accumulated minerals in a steam boiler.