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1.
The female squats over the male on his back taking him anally, riding until completion. The female can be facing in either direction, thus there is no diferentiation between a brown cowgirl and a reverse brown cowgirl - if a girl is squatting with your cock up her ass, its pretty much just all brown cowgirl.
You are right about her, not only does she take it up the ass but she wants it that way - five minutes on the couch and she was riding me brown cowgirl.
by jacklordGOD May 08, 2010
 
2.
A sexual position where the female is riding the male reverse cowgirl and defecates on his abdomen.
Little to his knowledge, Tony was about to receive a steaming pile of feces on his belly. Jessica sure did give him the ol' Brown Cowgirl!
by Deer Cock January 09, 2012