1 definition by MPM38

Top Definition
a word describing someone who is stale, salty, cranky, grouchy, grimy, crispy, crunchy, prickly, crotchety, crabby all at the same time; devoid of a nut. Someone who is crusty can only be cured by the following: 1. Get his/her nut 2. eat uncrustables 3. Throw a lip 4. rip cigs
Brian was crusty when he had to pull Natalie's dagger out of his back. John's sunburn inevitably led to him being crusty the whole night. Brian you're going to need to eat some uncrustables, because you are so crusty right now. When Erik and Conor are crusty, the result is beef. Conor was so crusty when his nut was unfulfilled.
by MPM38 May 12, 2010

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