when a disgusting, sand and vomit colored substance fills one or both ears of a person. This person tends to become more and more irritable as more and more people go "eeew what the fuck is in your ear!"
Innocent Bystander: EWWWW Tofu what the fuck is in your ear!
Tofu: Fuck off! Im good at baseball... i think
Innocent Bystander: You dont have to be a bitch just cause your crusteared, asshole
by Frothman January 12, 2010
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When a person's ear developes a sort of crust and appears to excrete sand
Oh man did u see Topher he is totally crusteared
by Baby Roth January 12, 2010
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