 You find that at Silver Diner. It's lunch redefined. And you can win lunch at Silver Diner with WTOP's Free Lunch Friday. All you have to do is sign up to have a chance to win. Do it today at WTOP.com. Search Free Lunch. Fridays in the noon hour, we announce the winners, and there are three each and every week. Free Lunch Friday from Silver Diner and WTOP.