Someone who is not exactly attractive or good looking, but the more you look at them you realise they are adorable and beautiful. They might not have the best skin, or teeth etc. But they are still hot so therefore musty hot. The best type
“Chris Evans is beautiful hot, but Evan Peters is musty hot”
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.
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!
A professional rocket league move, perfected by grandmaster Falsebro in season 6.
Lemme get some boost so I can hit that musty helicopter like Falsebro, bro.
a sex act in which you eat beans from your partner's anus
Person 1: This crazy bitch wanted me to give her a musty bean
Person 2: Gross!
When your underpants are moist and smell like the morning on a lake when the pontoon boat is covered in mist.
I’m so horny. Total musty pontoon down there.
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...