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A two year old sock that has formed weird yellow crystals inside of it. I don’t know why, but it smells kind of odd, kind of like a white goo substance.
Eww, that sock is fucking crusty!
Crusty by Big_Fard March 4, 2022
1. Hard outer layer.
2. Irritable.
3. Murdoc Niccals
1. The crust of the pie.
2. The crusty old man.
3. Murdoc Niccals is the definition of crusty.
Crusty by byleriscannon:) October 23, 2022
"crusty ass n**ga."
Crusty by Jolioli01 July 17, 2023
A spiritual, earthy person. Generally unwashed, possibly barefoot, and frugal.
Similar to: “crunchy” and “hippie”
Look at that crusty”
“That crusty guy with the dog
Crusty by Nicola1923declaration September 4, 2023
A Crusty occurs when you cum in your pants pursuant to a lap dance.
After Ruby made me jizz my pants, I handed her 4 Crusty dollars
Crusty by anonymous January 26, 2024
A slang used to describe something weird or unusual.
Example 1:

Jamal: In our school the plates are just plates with no edges.
Mats: Bro, that's crusty!

Example 2:

Jamal: Woah! why does he sit on his roof instead of the balcony?
Carl: I think he likes the view better from up there.
Jamal: Damn, that's crusty!

Example 3:

Bob: Do you see what I see?

Ronald: Haha, is that guy swimming with his feet first?

Bob: I think so, but why is it working?

Ronald: I don't know, but it's really crusty!
Crusty by Carl Matsmark February 10, 2025