A hot dog is a cooked sausage, traditionally grilled or steamed and served in a partially sliced bun. Typical garnishes include mustard, ketchup, onions, mayonnaise, relish, coleslaw, cheese, chili, olives, and sauerkraut.
Role in series
Lou is the main hot dog salesman. Patrick and many other citizens enjoy eating hot dogs, suggesting that they are a popular food in Bikini Bottom.