The wet spot in the crotch area of a guy's pants when he rushes the process of urination, tucking it back in before fully drained. The resulting after-dribble causes a tell tale wet spot, or Piss Patch.
Dave came out of the bathroom at the party with a Piss Patch on the front of his pants, resulting in the creation of his new nickname, "Piss Patch Boy".
by Timmer Tim Tim January 22, 2014