A sexual manoeuvre whereby the woman positions herself in the form of an upward facing triangle - or pyramid - with her buttocks forming the apex. A man then arranges himself atop the pyramid, clamping his fingers around the woman's pelvis and allowing the gyratory movement caused by their lack of balance to achieve climax.
Phil - "HeyBrian what are you going to do now you've finished the Kama Sutra?"
Brian - "Well Phil... Have you ever tried the Egyptian Roof Rack? It's a new one..."
A popular street description for a woman's bosom that has lost its ability to support itself. The breasts themselves begin to sag and drift and a standard brassiere is no longer an effective undergarment.
Hey have you guys seen Melissa's rack recently? The shit is getting sloppy AF.