Top definition
To expel diarrhea right before climax during intense, sweaty sexual intercourse in an enclosed room with little to no ventilation.
You: Yo dude, I was boning this chick in South Florida. We had no A/C and it was fuckin' hot, so I pulled a dirty sauna on the bitch.
Friend: Say what?
You: Yeah man, she was a freak though, so she was lovin' it!
Friend: You're fuckin' nasty, bro.
by heyshawn May 27, 2013
Get the mug
Get a Dirty Sauna mug for your mother-in-law Helena.