An adoring word for a significant others vagina. Must be used in privacy between a man and his woman. Poon biscuit must never be used in anger or to hurt the feelings of another.
Hey, Babe! When your done with the dishes will you bring me some strawberry jam and that tasty poon biscuit of yours?
by Brantman February 7, 2018
Get the poon biscuit mug.