The line of hair above a man's butt crack.
My husband Jerry needs to shave his butt beard if he wants to get lucky on Valentine's Day.
by Cindi44 February 15, 2008
The long strands of hair that surround and in some cases are found on and in the asshole.
Eric has such a long Butt Beard that he has to have it groomed once a week by a veterinarian.
by TheButtBeard219 February 09, 2015