A crease, or commonly known as a wrinkle, located in the hoo ha, or commonly known as vagina. These little fellows usually arrive after a woman, or man with a vagina (*cough* Old Greg) grows to be older than 50.
(Slang, collq.) An integral part of the human procreation process, which after stimulation releases chemicals which aid fornication / any other form of procreation. Long expandable length of tissue in the male body system, which, under appropriate conditions is filled with blood after stimulation by adrenaline. Used for humans only.