1 definition by Jesse the Pimp

STP
Super Tiny Penis. Originated from a few school kids as an inside joke, it now has become a major disease. STP is carried among "slortches" (look that up) and spreads by the touch. It's a serious disease and labs all around the country of Siberia are trying to stop it. Case closed
"Ew stay away from him(or her), (s)he has STP."
by Jesse the Pimp April 20, 2008

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