A chili dog is a popular American fast food item that consists of a cooked hot dog served in a sliced bun and topped with chili, a spicy stew made from ground meat, beans, and various seasonings. The dish is often garnished with additional toppings such as cheese, onions, or jalapeños to enhance its flavor. Chili dogs are commonly found at sporting events, diners, and food trucks, making them a convenient and satisfying meal. They are enjoyed for their hearty taste and can be customized to suit individual preferences, making them a favorite among many food enthusiasts.