corn-dog (n.)
"frankfurter dipped in cornmeal batter, fried, and served on a stick," 1949, American English; see corn (n.1) + hot dog. Said to have been introduced by Vaudeville performers Neil and Carl Fletcher in 1942 at the Texas State Fair.
Be the first to serve this delicious new sandwich. No special ingredients needed. Cooks 1 to 4 sandwiches at a time in 5 minutes. Costs only 5 ¢ each to make—sells for 15 ¢ to 20 ¢ apiece. Recipe and instructions shipped with oven. [advertisement for Dixie Corn Dog Ovens in The Billboard, Feb. 26, 1949]