arm pussy 

When the skin at a womans arm pit folds to resemble a pussy. Arm pussy, often abreviated to "AP" is the ultimate form of voyuerism. Firstly, women don't hide this part of their body in public, but more importantly AP is a very close representation to a womans actual vagina in terms of lip tightness, and hairyness. AP is a public preview of private nudity.

Christ, check out the the arm pussy on that chick at the next table.

arm pussy by Joshua James October 9, 2006

Under Arm Pussy 

The space between the side of your arm that connects to the torso -- especially with a weight lifting guy. It forms a unique pouch area.

Under Arm Pussy (UAP)

Under Arm Pussy by Josie12726 September 17, 2010

Pussy Arm 

1. In cheerleading when a male cheerleader goes to catch the falling cheerleader out of the air and accidently misses punching the girl into her pussy upto his forearm.

1. Look at that male cheerleader, he has that girl's pussy on upto his forearm, nice pussy arm.

Pussy Arm by Dan Rowley March 27, 2007