The partay pocket - the breast pocket of your most finely pressed shirt. In the depths of this pocket you will find 2 of the stickiest of the ickiest pinnairs and lighter to satisfy your party needs
Man i am drunk as balls what do you say we hit that party pocket and go down to the river and piss on all the homeless people
The party pocket is the use of a bra as a pocket. This is used when going out and you don't have pants with pockets or a purse.
Just as Jane goes out the door she says, "Shit, what am I going to do with my cell? I don't have pockets." Her friend Mandy says "just shove it in your party pocket. That's what I'm doing."