Crusty Musty Dusty Rusty

A "roast" used by Roblox kids who can't roast.

Person 1 and Person 2 have an argument
Person 1: *comes up with a good roast*
Person 2: Shut up you crusty musty dusty rusty whatever

by Maxgamer345 July 13, 2023

Crusty Musty Dusty Rusty

Someone who has never touched soap, doesn't know what a toothbrush is, and is usually a discord/reddit mod, or a snowflake keyboard warrior on twitter.

Get your crusty musty dusty rusty hands off me!

by Light Yagami aka Kira June 20, 2023

crusty musty dusty gusty rusty

inferior (rhyming with -usty, with the phonemes: /kr/ /m/ /d/ /g/ /r/.

Firey Speaker Box, BFDIA 7: "Don't come to me with that crusty musty dusty gusty rusty not at all trusty mess of a loser chamber."

by hydorus shui October 7, 2023

crusty musty dusty and rusty

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

CrustyDusty

A black boy who has no friends and makes fun of other people because he is insecure about his pimple infested hair line witch is on top of his head. He often dwells at KFC stalking people. He loves memorizing peoples addresses.
Others activities he loves to do is play ps4 on his chicken infested greasy controller.
Other names are Dustin Ferris or Cesar.

Look its a creepy black boy stalking my kids and fallowing me around must be CrustyDusty.

by ceazer February 26, 2019

Boston Rust Crust

Hard, dried up jizz on the rim of the booty hole from the night before.

Girl... you gotta take a shower first! You got some Boston Rust Crust around your chocolate starfish from last night!

by RichTheRedn3ck August 13, 2024

crustymustyrusty

Hes the definition of legend he is a legend hes crustymustyrusty i know what your wondering is he crusty is he musty is rusty hes the first two but not the last but hes still crusty

Crustymustyrusty is not a dinosaur

by Spt sswolf February 28, 2021