A person who can fit an entire head in their vagina. Also used as a derogatory way of saying a woman has a loose vagina
by CoonKiller21 March 2, 2019

I was talking to a 10, when her 1.5 of a friend came over and cockblocked me...from there things would pretty much go south on a dirty muff...
by SELNC January 20, 2020

To muff dive, to muff dive is the act of a male or female(lesbian) performing cunnilingus on another female. When the male or female is performing the act of cunnilingus on their partner their mouth is busy therefore it is muffled.
(Suzanne and Amy were discussing their sexual libido and child birth)
Amy:Howard didn’t go down on me like that until after we were married and WOW I wish we had never waited.
Suzanne:Good for you girl. The only reason I let George muff dive is to muffle his damn mouth up for a few hours.
Amy:Howard didn’t go down on me like that until after we were married and WOW I wish we had never waited.
Suzanne:Good for you girl. The only reason I let George muff dive is to muffle his damn mouth up for a few hours.
by Jay & Jane June 28, 2023

by Shishirobotansimp August 3, 2021

The stage of hair growth on a vagina that is longer than a 5 o'clock shadow but before it curls, traditionally creeping onto the sides of the inner thigh. Inspired by the Michael McShane character from Tom & Huck.
My Muff Potter looks like it's been drunk for 2 weeks straight and if you disturb it you could lose a finger.
by kayraw April 6, 2015

by Currymuncherfromhell March 6, 2024
