A people traffic jam that occurrs in subway tunnels and bus stations. Caused by inconsiderate workaholics walking too slow while their noses are glued to their Blackberry device.
by bratina August 30, 2005
Get a Blackberry Jam mug for your buddy Riley.
by missleah97 January 13, 2012
Get a Blackberry Jam mug for your mate Georges.
When 3 or more people are in a meeting, not talking to each other, but are all checking, emailing or talking on their blackberries.
We had a few topics we needed to discuss in the departmental meeting, however it turned into a Blackberry Jam
by Tommireed February 19, 2009
Get a Blackberry Jam mug for your buddy Callisto.