Check out these fun hot dog recipes ! A hot dog or frankfurter or frank or wiener 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. Hot dog variants include the corn dog and pig in a blanket. The hot dog's cultural traditions include the Nathan's Hot Dog Eating Contest and the Oscar Mayer Wienermobile .