When its feels as if your blackberry is vibrating somewhere on your person even if the phone is turned off or not even on you.
Frank: Why you checking you phone, did you get a text?

Harry:No, I guess not, I could have swore I felt it vibrating though. Must have just been my crackberry syndrome acting up again.
by Forget this naming crap May 25, 2010
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When one of your friends get a new Crackberry and secludes themselves from reality
Marcus: Why is Mike secluding himself?
Pat: Crackberry Syndrome
by TurtleLockJaw December 29, 2009
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