Pissing in a person's pocket means to insincerely attempt to convince a person that you're doing them a favour, when you actually have only your own interests (generally either making a profit or ingratiating oneself) at heart.
i.e. You are pissing in a person's pocket, and trying to convince them that you're doing them a favour by warming their pocket. But realisticly all you're doing is soaking their pants in urine.
"That salesman was a complete dickhead. Constantly pissing in my pocket, trying to tell me how much I needed (insert product here)."
The art of stealthily putting your dick in someones pocket and urinating in it.
Basically pick-pocketing but in stead of stealing, you're giving them something
Man, the bus was super crowded today, AND some bastard piss-pocketed me! (Piss-Pocketing)
noun - term used to describe a female after a male has urinated in her womb in order to relieve spermatazoa build-up pressure within his prostate, allowing him to continue coitus without orgasm.
not to be confused with the "bronson hotpocket", the term used to describe a form of anal sex and involving urination.
noun - as spoken, "that girl is garys pisspocket, because he doesnt like the feel of condoms, and shes catholic."
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.