Playing Dirty
When a guy's butt crack shows while he is bending over.
"Damn Brandon's Playing Dirty!"
dirty play
The act of cutting open your ballsacks and placing the testicles in a bag and smashing it into someone else's lower groin area.
Jinkies I fucking hate Sicheng! I'm going to perform a dirty play on him!
Playing with the dirty sock
another term for masturbation
"I wanna play with the dirty sock..."