Ass, Boobs, and Skin. The three most important physical features of a female's body.
Ass=The joining of the legs at ones mid section creating a wide double cheeked rump for dudes to hover over.
Boobs=The female organs used to feed nursing infants and get a guy's atention.
Skin=The protective outer layer of the human body.
Guy:DUDE!!, did you see stacie's A.B.S?
Other Guy:Yeah, man her shit is tight!!