Southern Word of the Week - Eat Up

ex. (adverb?) That boy is just eat up with stupid, bless his heart.
ex. (adverb?) She is eat up with meanness.  She don't never say nothin' good about nobody.

Eat up is something you use when the person you are talking about is basically just inundated with whatever affliction you put after it.  You can also get eat up with mosquitoes or ticks, but for the most part being eat up is how you diagnose someone elses shortcomings.