Definition from Wiktionary, the free dictionary
- A variation of the game of pool.
- (slang) The act of manipulating the penis and testicles through a trouser pocket; masturbation.
- 1986 Jonathan Kellerman: Blood Test (page 70) 
- "I don't give a damn if your messengers end up giving fuck shows for horny old men snarfing nose candy and playing pocket pool"...
- See also Wikisaurus:masturbation