(noun)
1. The act of using illegitimate means to gain an advantage over other people, typically for personal gain in a competitive environment, but sometimes just for the fun of it as a means to power trip. Universally considered a dick move against your fellow man.
We were playing Texas Hold 'Em and Chad took the pot when he got a royal flush because he was hiding an ace up his sleeve. He's a cheater. That's not poker, that's dirty pool.
When 2 penises are double penetrating a woman, and the bottompenis slips out. Then as he tries to re-enter, he instead pushes the testicle of the guy on top into her anus.
“Ouch, Chad. Watch what you’re doing down there. Don’t go playing dirty pool.”
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.