Crusty Musty 

a name you call people to annoy the shit out of them.

"you're a crusty musty"
"shut up"
"no, you shut up you crusty musty"

or

"stop picking your nose crusty musty"

Crusty Musty by xx_Maryannslover_xx April 10, 2012

crusty musty 

before having anal sex the female shits herself letting the poop crust, making it harder and more musty sex, after ejecting it thaws the shit soft and making the penetration for another round more soft and warm.

are we having a crusty musty

crusty musty by daddylong licker March 11, 2025

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

Crusty Musty Dusty Rusty by Maxgamer345 July 13, 2023

Crusty Musty Busty ass bitch 

When your so filthy/annoying/ghetto

Bitch shut the fuck up you crusty musty busty ass bitch lookin like a wall-e reject

Crusty Musty Busty ass bitch by questionman2468 November 8, 2016

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?

crusty musty dusty flusty by thatguycalledcrusty April 25, 2022

Crusty Musty Lips 

totally shigaraki

person1: omg look at shigaraki!!! hes so cute
person2: meh he has crusty musty lips

Crusty Musty Lips by sxmp August 12, 2021

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!

Crusty Musty Dusty Rusty by Light Yagami aka Kira June 20, 2023