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1). The act of shitting in a female's mouth, then having the guy try to suck it back up with his asshole.

2). A form of foreplay, that involves skatting.

3). Originated from University of California: Santa Barbara.
Male 1: Sup dude, what did you do last night bro?!
Male 2: Aww... just chillin', then things got a lil hot with me and my girl. I performed the Dirty Gaucho on her. She likes it.
Male 1: Aww yesss... THE DIRTY GAUCHO!
by M. Lohse September 23, 2005
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