corn dog means: Frankfurter, or any other type of sausage, that’s been coated in a thick cornbread batter and then pressed onto a round, flat stick. Then, it is deep-fried, often with mustard. This recipe was created by Neil Fletcher in 1942 for Texas State Fair. (in Cooking Dictionary)

What else does corn dog mean?

Corn bread batter is used to cover a frankfurter before it’s baked or fried. Usually served with a stick. (in Merlin Dictionary)