Musty briefcase

Having sex with a girl and realizing she has mold growing on her vagina.

I was doing this girl this morning and I looked down and seen she had a musty briefcase.

Musty briefcase by Happy fun at work August 12, 2015

musty cheeseburger

When you get on the school bus and it smells so bad you wanna throw up

Dude, it totally smells like musty cheeseburgers in here...

musty cheeseburger by That_white_gurl1234 May 18, 2016

musty duck 

When chowing vagina, the female scoots up slowly from vag to ass leaving a female duck butter from your nose to your chin

Chad was eating out his girlfriend and she gave him a musty duck.

musty duck by Bran November 26, 2017

Musty cup 

A woman's asshole

Sara loved Jermaine so much, that she let him fuck her in the musty cup whenever he wanted.

Musty cup by Mookie612 April 5, 2019

Musty Backpack 

A copious vagina which is moist and musty from a hard day pounding the streets.

Awh that lass from the pub had a right musty backpack!

Musty Backpack by Krinthor April 12, 2019

Musty lunchbox

A vagina so pungent that it can be smelled from at least 50 feet away

Bro, that chick is smoking hot but I can smell that musty lunchbox from here...

Musty lunchbox by Captain sprayfart October 3, 2019

Musty Demeanour 

When something has such a musty scent/feel, that it mentally affects your feelings and well-being and can lead to a variety of issues within oneself.

Rio: Yo G, what is that shoddy stench?
Charlie: What you saying? Has a wiff of the smell Yo that shit isn't shoddy, it's musty and is messing with mans head
Rio: For fuck sake, I'm gonna' have to tell my missus that I've got a musty demeanour

Musty Demeanour by OhWinBradleyGill October 31, 2019