a word describing someone that lacks class and is consequently unnatractive.
Jhanet: OMG! I forgot to do my hair today!

Liz: Yea I know your hair looks so crusty.
by AdamKrenz March 29, 2011
When the skin is so ashy and dry, the skin becomes hard and crusty.
1st person: Damn man, adeola oniya's skin is so crusty! It looks like a mountain range!

2nd person: True that.
by NikJ36 April 18, 2010
A word that only the most cultured of people can handle. Like a much more sophisticated version of the juvenile word "Salty," but on steriods. Used to describe a person's mood when they are humiliated to the point of breaking (Like bread). When using this word, one must make a motion of one breaking a piece of bread. Caution: If this word is overused, the overuser will then become crusty *breaking bread motion*
Jackie: Hey Megan, did you see that guy who was wearing those oversized sunglasses and kept saying awesomesauce and salty?
Megan: Yeah! He was sooo totally crusty *breaking bread motion*
Jackie: Oh my God! I know!
by J.Emm July 31, 2009
1. Skin literally peeling off, rough skin.
2. Being extremely butt weak
3. Nasty or ugly
1. Damn Eric, you are hella crusty! Put on some lotion
2. Luis has a very crusty knee
3. That Twilight book is really crusty.
by R. Devecchi March 23, 2009
1. a self-obsessed, materialistic person
2. dry and flaky
3. a personality that revolves around physical appearance and shallowness
That girl is hot but her inside is as ugly as a toad with incurable acne and chest hair on its liver spots.. CRUSTY!!!
by Rendezvous With Jesus January 03, 2009
Just unappealing in basically every way possible.
"Umm yeah, so she was being extremely crusty so I just blew her up with a sea urchin bomb!"
by Jesse1018 August 04, 2008
A dirty person with a dog who took the rebellion thing a little too seriously.

Their hobbies typically include: freight train hopping, dumpster diving, asking you for money, and smoking crack.
See that junkie in the Amebix shirt with the incredibly large backpack? He's what we like to call a crusty. He probably ran away from home because his parents wanted him to go to college.
by fhihihug January 17, 2014

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