[don-o]

Actually what has to happen is that the fans in the stands need to have the stones to point out who is throwing the "day-bree."

I saw it happen one time at a Tennessee football game.

[SouthTexas]

Yep, that or plain old vigilante justice.

I've seen fistfights, at the local shorttrack, over what was 'said' to another driver. Far less than launching something over the fence.