The "Three P's Between the Knees" refers to the trifecta of male genitalia. They are as follows...
-Pecker (aka the penis, dick, etc)
-Punger (aka the gooch)
-Pucker (aka the anus, asshole, etc)
"There is nothing as sacred as the Three P's Between the Knees."
"Rules for the fight - no eye-gouging, no hair-pulling, and stay away from the Three P's Between the Knees."
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