A corn dog is a sausage on a stick coated in a thick layer of cornmeal batter and deep-fried. The sausage used in a corn dog is usually the same types that are used in hot dogs. It is a popular type of fast food or street food. Corn dogs originate from the United States in the 1920s. It is commonly found in American cuisine. They are found as frozen food at most supermarkets.

Source: Wikipedia