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When you're having sex with a lady, when you get finished and you cum on a sponge, mix it with picante sauce and guacamole and rub it all over her.
Guy 1: "Dude, what did you do last night?"

Guy 2: "We tried out the Mexican Sponge Bath!"

Guy 1: "Ew, gross!! How'd it go?"

Guy 2: "Suprisingly well..."
by FakeSandwich December 02, 2012
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