ROTFLOL!
One night one of the most obnoxious libs around--made even moreso by a few beer (imported, of course), was braying about being in MENSA, etc., and generally ticking off everyone in the place.
Then he bragged to her that his ancestors came over on the Mayflower.
She looked at him and calmly quipped "That's nice. Mine walked over."
You could have heard a pin drop. He spluttered a couple of times, set down his beer, and left. (Lousy tipper, anyway!)