When a man gives a woman a Dirty Sanchez, and the woman transfers the Sanchez back to the original giver. That way its "yerz" back on yourself.
Andrew: "Dude I gave this girl a dirty sanchez and it turned into a dirty yerz"
Dan: "Gross! Sucks to have your own shit on your upper lip dawg."
Dan: "Gross! Sucks to have your own shit on your upper lip dawg."
by TH Binn May 9, 2009
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