Top Definition
pain and cramping in the thumbs that comes after many hours of texting
Robert: Hey Doc, after I have been texting for 3 or 4 hours, my thumbs cramp up and I can hardly move them.
Dr: it sounds like you have thumbilitis, you may not be able to text for a while!
Robert: Can I get a work note for that?
by Weegle November 07, 2009

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