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.
a Short Magazine Lee Enfield rifle or one of its derivatives.
Having signs that suggest a design problem; having a code smell.
Having a quality that arouses suspicion.
Having a bad smell.