Nifgan

(Noun.) The part of the body that is inbetween the Anus (butthole, doo doo hole, brown eye, crevis, stink factory, fudge factory, or if your gay the pleasure cave)and the scrotum (ball sack,nut sack, testical sack, sack). The actual muscle that connects the two is called the PC muscle but only doctors and faggot dorks say PC muscle.