Definitions by bihgangsta

12th man 

In football, it's the crowd.

When the away team is backed up near the goal post, the 12th man makes a lot of noise, making it hard to communicate and for the lineman to hear the snap count.

Sweet, Seattle just won because the 12th man made the offense commit 5 false start penalties

12th man by bihgangsta January 15, 2006