Female pubic hair that reaches 1-1.5 inches below the belly button, depending on body type. Reminiscent of a dark colored shag carpet sample and not to be confused with a happy trail.
Yo man that girl i got with last night had a serious monster muff, im talking serious poof ball afro puff steez.
by olympicmuffdiver December 08, 2009
shaved beaver that has grown back twice as thick
Pats momma has a monster muff, It's like the jungle in nam!!
by 2fast4u April 22, 2006