Tom Thumb food is a type of sausage that is stuffed inside a pigs appendix. It is a spicy hot sausage that usually contains sage. Tom Thumb is a regional food that is popular in the southern United States. In addition to the sausage, there is also a chain of convenience stores called Tom Thumb Food Stores that are located in South Florida. These stores offer a variety of food, snacks, coffee, and Subway sandwiches for people on the go. They also offer meal kits that are filled with prepared and ready-to-eat food or prepped food meal kits that customers can heat or cook at home.