When you and your significant other place a paper towel tube between each others buttholes and have a "poo battle" until the paper towel tube explodes like some dirty dynamite!
Thes: "Is Mike still in the bathroom?"
Dr. T: "Yea with Jerome, I think they are doing the dirty dynamite because the paper towels are not on the holder."
Dr. T: "Yea with Jerome, I think they are doing the dirty dynamite because the paper towels are not on the holder."
by MikeMcDirty February 22, 2011
When You Have Explosive Diarrhea.
Yo greg thought he was next in line to shoot in beer pong, until he realized he had the Dirty Dynamite from the rotten gyro.
by Meatball60 October 20, 2006