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1.
The resulting dark colored stain around a penis when aggressive doggy-style thrusting results in accidental anal penetration. AKA The Stefanelli
"Dude I had the biggest slip up last night. We were absolutely wasted last night and going at it like rabid monkeys when I pulled out too far and ended up accidentally doing anal. Then I looked down and there was this brown stain around my cock...WTF?"

"HA...sounds like you got your first Rogue Doughnut. I'm gonna start calling you stefanelli from now on."
by jbfxstdi February 10, 2012