To break into crumbs.
To fall apart; to disintegrate.
To mix (ingredients such as flour and butter) in such a way as to form crumbs.
A dessert of British origin containing stewed fruit topped with a crumbly mixture of fat, flour, and sugar.
To do a dirty job.
To manure with muck.
To shovel muck.
To vomit.
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.