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 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 recreational drug in the form of white powder: heroin or cocaine.
A large mass of tough sinewy substance in the head of sperm whales, just above the upper jaw and extending in streaks into the junk above it. It resembles blubber, but contains no oil.
Any of several horse-shaped chalk figures in England, such as the Uffington White Horse.
Used other than figuratively or idiomatically: see white, horse.
A wave that is blown by the wind such that its crest is broken up and appears white and foamy; a whitecap.