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 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 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...
A stank presentation of yourself. Being confident, yet it comes across as if you haven't showered in days.
"I don't like Westbrook man. I don't mean to be judgemental, but it's a musty swag he puts on"
dirty ass pussy; usually old and hairy
Damn, after 2 hours at the gym, Jessica suffered a heavy dose of the musty mitten.
That juice your balls make on a hot summer day
Damn joe it’s so hot out here my balls are swimming in musty slush
A name you call your friends when they have big shlong energy.