A long curly beard that looks like a crotch rug worm on elderly man or a replacement of manliness when the mans genitalia is shorn like sheep are.
David letterman is so old he wears a pubic beard on his face to pretend he still has testosterone. Look at all the Cheetos caught in that mans pubic beard, he needs to shower after eating. He is insecure so wears a pubic beard because everything will be fine if he has one.
Get the Pubic Beard mug.