I think its just the vagina lips roof and the fact that they've created a motivational feedback mechanism by displaying the number of total false start penalties from visiting teams on the scoreboard.
How long would it take for the fans to catch on if the Packers kept carting players off strapped to a back board and stretcher to quiet the crowd and get them applauding the away team when the player kept returning one play later like a soccer match?
Bud Adams told me the franchise he admired the most was the Kansas City Chiefs. Then he asked for more hookers and blow.