when you anally masturbate with something such as a frozen hot dog, light bulb, beer bottle, popsicle, etc.. and it gets stuck in your butt and you have to go to the hospital to get it removed which leaves you with an awesome x-ray picture for the fridge
3rd Base is getting either a Hand Job, Fingering or Oral Sex. Can also be used as foreplay before sex or just a Sexual activity without having to actually have full Sexual Intercourse
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.