1. When the waitress finishes taking your order, stop her before she leaves your table and ask if you're supposed to "drive around." 
2. Ask the manager to play "Achy Breaky Heart." Complain loudly in a French accent when they play it. Repeat.
3. Order the cherries jubilee. When it's brought, flaming, to your table, scream and try to put it out by throwing dinner rolls at it. 
4. At a buffet, take one piece of potato, one grape, etc. at a time and give it a loud scolding before eating it.
5. Each time the server leaves the table, everybody change positions.
6. Throw your fork at the guy at the next table. Call the waiter to say that you have dropped your fork. Repeat.
7. When the waitress brings the sugar packets for your tea, demand she bring out the whole box so you can choose your own.
8. Demand to know why they can call your steak rare if just *anybody* can order one.

... and the Very Best Way to Drive Restaurant Workers Insane ...

Ask the waitress for a bottom for your bottomless cup of coffee.

From http://www.e-cookbooks.net