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When in a hallway, often in High School or Junior High, when at the end of the day or on the way to lunch when there is a tight jam in the hallway as everyone attempts to get to their locker, the cafeteria, etc.
"Dude! During the Hallway Traffic Jam today after the bell rang I think I felt some girl's boob!"
by ConnorDS97 January 10, 2012
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