An insult usually directed at an apple enthusiast which is a reference to the fact that mac books are sold to drug dealers in order to obtain drugs like crack.
Bro you're still using that Crackbook Pro?!
by The MGV July 26, 2019
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RIM's (Research in Motion) tablet device, the Blackberry Playbook, released in 2011. Pre-dating this is RIM's personal communication device, the Blackberry, which came to be known as the Crackberry because of the addictive behavior that it inspired in users.

Even on the verge of first release, the Playbook had already picked up the Crackbook nickname. Maybe it's because when it comes to saying,

- "Crackbook"

or
- "the new RIM Playbook personal tablet device"

the nickname crackbook just saves you time and life.
I need apps for my Crackbook.
by Blackberry James April 15, 2011
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facebook. the most addictive website in the world.
'I tried crackbook for the first time the other day. I said I'd just use it once but I keep going back for more and more.'
by Cowboy Jim April 16, 2007
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facebook (can also be abbreviated as "cb")
"Today I had two papers and two finals due, but I couldn't stop taking quizzes on crackbook." or "I check crackbook before I have my morning coffee- is this wrong?"
by deebeeX March 19, 2009
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It is when a person is addicted to facebook, has no conscious awareness of surroundings. being on facebook 24/7 always refreshing home page to see if things have change. instant chatting with the person in same room/house. also, checking farms, cities, western, frontier towns games constantly sending requests!!!
"Jenny has a crackbooking problem."

" She has been crackbooking on her iPhone for the last 4 hours."
by stallbuddie#2 January 16, 2012
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