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."
by ChochmahFan March 29, 2010
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When you check your Blackberry constantly because you swear the "Notification" light was flashing, only to learn that it wasn't.
Jake: Damn, why are you always checking your Blackberry at work?

Derek: I don't know. Sometimes, I swear the light is flashing. But most times, it is not. I definitely have Blackberry dementia.

Jake: Why don't you just wait and see if the light flashes again?

Derek: Why? Fuck you! That's why.
by Still Stan March 9, 2009
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When a woman puts her blackberry/smartphone/cellphone in her bra between her breasts. When it rings on vibrate she will recieve a blackberry motorboat.
That slut puts her phone in her bra so when she gets her booty call, she will get a blackberry motorboat.
by HallaMBomB February 4, 2010
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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 18, 2005
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A period of cold weather occuring in late spring.
If you have a garden – or even if you just planning to pack away your winter sweaters – you’ll do well to remember that blackberry winter could still be waiting to catch optimistic sun lovers unprepared.
by David Bassler July 17, 2013
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Refers to a rum bunch of fellows that intend to visit a wealthy part of town to steal expensive mobile phones from peoples' pockets.

Blackberry; a popular brand of mobile (cellular) phone.
Picking; Pick pockets
A bunch of thieves might say "We're going blackberry picking up west" (Up west referring to the West End of London)
by stimpetta November 2, 2011
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The act of eating a bussy out but the femboy has not wiped in a many years and the person eating out the bussy throws up all over the bussy and keeps on going
John says "Mick bro I just had the best time of my life giving that smelly femboy Blackberry Smoothie" Mick says "Dude your fucking disgusting"
by Hairy schmuck January 21, 2022
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