Definitions by Compulsive Gambler
21st base
When one thinks it would be funny if they jacked off while playing blackjack. Everyone else in the semicircle must take your sweating, shaking, and grunting as a sign of having a bad hand.
Gambler: What's that guy's problem?
Other Gambler: Either he just stayed with eight, or he's just hit 21st base.
Other Gambler: Either he just stayed with eight, or he's just hit 21st base.
21st base by Compulsive Gambler July 16, 2010