a pussy who's temperature is above that of a normal pussy, and/ or normal body temperature, thus creating an environment that makes it almost impossible to become pregnant, and creates an sexual experience more enjoyable than those with women who don't have GSP's
Geof: "So hows the new pussy?"
Steve: "She's great, amazing in fact."
Geof: "GSP great?"
Steve: "hell yea GSp great"
Geof: "what about the ex?'
Steve: 'fuck that, one you go GSP, you never go back"