The after-dinner speaker just didn't have a Stop
button.

He babbled on and on and on, oblivious to his
increasingly restless audience.

Finally one of the more drunken diners hurled an empty
wine bottle at him.

It missed, and hit the Chairman
instead.

As the Chairman slid slowly to the floor clutching his
head, he was heard to murmur, "Hit me again, I can
still hear him."