BlackberryThumb is a medical condition that results in pain in thumbs and connected tendons from overuse of typing on mobile devices.
When the base of your thumb hurts after typing away all day on your blackberry or other mobile device. What you now feel is blackberrythumb1
by BBaddict August 20, 2008
Pain of the thumb from excessive use of a blackberry device keyboard
I spent three hours a day checking email and now I've got a case of blackberry thumb
by jeffw October 17, 2005