Top Definition
Thumb pain or cramping due to too much typing on a cell phone, particularly on an i-device.
Tweeters should limit their hashtag use, lest their iThritis flare up and make them put their phones down.
#ithritus #ithritis #cramp #thumb cramp #text #tweet #apple #iphone #ipod #itouch #crapple.
by Ctrl_T February 26, 2013
Chronic joint pain in the dominant texting digit from repetitive typing on iPhone and other PDAs.
The cold weather is aggravating the iThritis in my right thumb. I can't answer another text today!
#texting #arthritis #obsessive #iphone #pda
by St. Johns Belle February 04, 2012
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