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.
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!
Someone who is angry and not pleasant to be around
"Hey did you get those concert tickets"
"Fuck off you stupid useless anus burger "
"Wow you don't need to crusty"
1. Very Ugly
2. Having Much Acne
3. Having Lots Of Ash
The people you know that call you crusty, but in reality, they’re crusty.
You’re so crusty!
Please, you’re the crustiest crustean in the word, crustball.
Someone who is dirty, ugly, or nasty.
That girl Kayla Barr is the definition of Crusty.
When someone is super fine with out makeup but always wears make up for no damn reason except for they just like putting on makeup.
That girl is so crusty.
I just wish one day she would not wear make up for her best friend . :(