Rectal Russian Roulette 

It's like Russian Roulette, except instead of putting the gun to your head each turn, you stick it up your rectum. Due to the potential of STD transfer, a fresh condom can be put on the gun each turn.

Mobster #1: You ever see two guys hate each other so much that they decide to solve their problems with a game of Russian Roulette?
Mobster #2: Ah, that ain't nothin'. If two guys really hate each other, they'll want the other to shoot himself up the butt in a game of Rectal Russian Roulette!

Rectal Russian Roulette by deepspace10 June 30, 2019

Rectal Russian Roulette 

When you're having gut distress and want to pass gass ut afraid it'll turn into something more, it becomes a game of rectal Russian roulette.

(See sharting.)

"My stomach hurt so bad I was afraid to fart, it was like a game of rectal russian roulette!"

Rectal Russian Roulette by WeirdAndWildWords January 15, 2023