The Rice University Neologisms Database

Packed in tight with people, one person right next another. The sense is given that the place is filled with wall to wall people, almost like a deck of cards is stacked, one right on top of another. Possible reason used: This word is commonly used by African American music performers, especially those in the genre of rap or R&B. This word might have been used to evoke a mental picture of wall to wall people packed in front of a performer. This is an example of creative variation. It might also be construed as a jargon or slang word belonging to the rap community.