Dirty Pool 

Conduct that is unfair, unethical or illegal. Being deceitful or deceptive for unfair advantage.

The only reason Charlie keeps winning is he's just playing some dirty pool to create an advantage over his competition.

Dirty Pool by GF Ed February 12, 2005

Dirty Pool 

(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.

Dirty Pool by KoblerMan June 19, 2018

Dirty Pool 

When somebody does something that is unfair and/or a bad situation

JP: Hey do you want to drive me home from the gym, Jack: Sorry man im going in the hot tub
JP: Dirty pool

Dirty Pool by jjct January 20, 2011

Dirty Pool 

When 2 penises are double penetrating a woman, and the bottom penis 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.”

Dirty Pool by AllahuDripbar September 18, 2022

Dirty Pool Man

The act of having anal sex with a woman in the shallow end of a pool while simultaneously her vagina is pummeled by the pool return jet.

"My pool man seduced my wife and gave her the dirty pool man!".

Dirty Pool Man by The Dirty Pool Man December 24, 2008

Dirthy Pool

A special type of heated spa

"This Dirthy Pool is great to drown people in!"

Dirthy Pool by Rednaxela123vnvdivinve February 3, 2012