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1.
Somewhat self explanatory, a Slutmex™ is of Mexican descent. They are also quite slutty.
Gregory: "Say, Mathilda! There's a mighty fine stack of penises over there."

Mathilda: "Dios mio! Yo tengo muchos sexo con los pitos. Soy un Slutmex™."
by Spaghetti016 July 04, 2010