The bearer of a muff butt, which is an unsightly patch of pubic style hair growing from and above the crack of one's ass.
Holy shit! I never noticed this before, but Jason is a muff butt willy!
by Anus Beeker August 10, 2007
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.×