Tiffany's Original Diner 7402 Manchester Rd, Maplewood, MO63143 Tiffany's Original Diner has an 80-year relationship with Maplewood, and on weekend overnights it is often…More standing-room only. Short-order cooks have perfected the most popular dish: Slingers any way you want them. A Toby is also a commonly used phrase at the diner -- it's a Slinger with white gravy instead of chili. The menu is full of choices, including omelettes, hot cakes, hashbrowns, grits, burgers and hot dogs. The diner has a bustling breakfast hour and busy overnight business from all over St. Louis.