The dedication of one hand to always be clutching at one's Blackberry device, even when not in use. A phenomenon easily observable in many collegiate females.
"My Blackberry hand makes me look so much cooler in this picture, since I have so many friends."
"I would rather injure my left hand than my Blackberry hand."
"I would rather injure my left hand than my Blackberry hand."
by ChochmahFan March 29, 2010