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a gen-z slang, used as an insult. may be used in any combination you like.
usually used by teenage girls to express how musty your ass is
how to use crusty musty dusty and rusty
"hi"
"get yo crusty musty ass out of my face"
"??..."
"you know what you did you rusty dusty-"
"SHUT UP YOU C R U S T Y M U S T Y D U S T Y R U S T Y A S S"
".."
by hellokityy? March 4, 2023
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crusty musty dusty

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that one guy in the back of the class who's hair looks like a bird nest and always has sweaty ass hands
girl 1: that guy in the back of the class just called me a slut
girl 2: dw hes a crusty musty dusty sewer rat
by ahaha_slay_yee November 8, 2022
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Dusty Musty Crusty

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Someone who lives in crusty crib and is dusty and musty
Hello Ellion Lindholm ur are Dusty musty crusty
by Professor Dusty June 13, 2022
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Musty Crusty Dusty

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A common roast mostly used in the Roblox Community. Also used a lot in the common trope 'Roblox Story But the Main Character has a brain'. Also can be extended with other words that rhyme like Ugly, Disgusting, Rusty, and more
Player 1: Man be quiet
Player 2: SHUT YOUR MUSTY CRUSTY DUSTY ASS UP
by urbandici September 28, 2023
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musty, crusty & dusty

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used to describe someone who is old and weird.
used to describe someone who tries to be quirky but in fact is just lame. especially when they always make 'ur mom' jokes.
Jane: "Hey. Is that your new coach? He looks a little old though."
Amy: "Yea, unfortunately. He's musty, crusty & dusty. He always likes to nag us but doesn't train us that well either."

Ben: "Do you know who's my favourite person in the world?"
Tim: "Who ? Is it me?"
Ben: "LOL no. It's your mom"
Tim: "WTH. That's not that funny. You're musty, crusty & dusty."
by i like ur mom March 26, 2022
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Musty Crusty Rusty Dusty

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MCRD (Short For Musty Crusty Rusty Dusty) Means Something That Is Expressing More Dirty And Unhygienic . This Slang Phrase Or Word Comes From People Who Are Part Of Funny Stuff On Social Media. MCRD Is Expected To Be Funny To Some People But The Rhymes Are The Job.
"you see this quite old innit yeah"

"of course bro its Musty Crusty Rusty Dusty"
"Hahahahhaha this joke never ends"
by Bleddy Drills January 11, 2021
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