A hot dog is a popular food item consisting of a cooked sausage served in a long, soft, partially sliced bun. The sausage, often referred to as a "wiener" or "frankfurter," is typically made from processed meat, such as beef, pork, or poultry, and seasoned with a blend of spices.

Hot dogs are commonly associated with American cuisine and are frequently enjoyed at sporting events, cookouts, and casual gatherings. They are typically prepared by grilling, steaming, or boiling, and are often customized with various condiments and toppings, such as mustard, ketchup, relish, onions, and cheese sauce.