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you take a dump on a girls chest and use your weiner as a paintbrush and the poop as paint and paint the girls face
I totally gave some girl some mexican facepaint
by j-manbingo May 23, 2008
slapping someone withe shit in your hand
i just used mexican face paint on ur sister
by AZ man January 19, 2011
during intercourse, when one substitutes another's face for a canvas, deploys massive amounts of fecal matter upon it, then uses their erected penial instrument as a utensil of artistic expression
so...your mother and i tried something new last night. i gave her a mexican face paint...she loved it!
by tdogg6940 October 28, 2009