There are many ways to tell the restaurant employee who is currently serving your table that you are satisfied with your present quantity of ice water and would not care for a refill. “I don’t need any water, thanks,” you could say when they approach with pitcher in hand. You could shake your head “no” at them if your mouth is crammed full of breaded shrimp. In an informal establishment, you could put a paper napkin on top of your glass. We do not recommend that you follow the lead of three Illinois women, who were charged with attacking their Red Lobster waitress. A witness told the media that the trio expressed their displeasure at too-frequent refills by tossing their ice water on their waitress, then striking her with their hands. And their menus.