It's not often that a coach gets a flag thrown on them during a football game, but that was the case for Ohio State's Urban Meyer. Not only did he get the penalty for "sideline interference" but he got hit by the ref on a call. And that's not the best part as he took a full slap to the head.
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And here's another angle that shows the slap even better:
That'll teach him for getting in the way of a ref making a call!
[h/t Bro Bible]