A motif.
A motif; a theme or subject, especially one that is central to the work or often repeated.
An incentive to act in a particular way; a reason or emotion that makes one want to do something; anything that prompts a choice of action.
Something which causes someone to want to commit a crime; a reason for criminal behaviour.
Relating to motion and/or to its cause
Causing motion; having power to move, or tending to move
To prompt or incite by a motive or motives; to move.
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.