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 flusty

someone who is crusty musty dusty flusty, is a person who is literally so weird and disgusting and quite revolting.

Ew look at that crusty musty dusty flusty lookin ass bitch over there tf?

by thatguycalledcrusty April 25, 2022

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 toes

The very delishable food

I ate the crusty musty dusty toes for dinner

by OOGA MAN November 17, 2022

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

Ugly crusty musty dusty bitch

Something you say to a ugly person (me)

Me: I'm such a ugly crusty musty dusty bitch.

by XonionX August 25, 2021

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