What’s a WaWa machine?
Is Wawa a place or a machine?
Wawa is a chain of east-coast convenience stores.
WaWa is a chain of convenience store/gas stations. They have a lunch counter where they will prepare sandwiches to your custom order. But intsead of a person taking your order, they have a touch-screen where you can order the type of bread. which meats and cheeses, condiments, etc... Unless you have one in your area or travel the highways up and down the east coast, you would probably not be aware of the stores and this particular method of service.