chuck wagon

Etymology

 * was cowboy slang for food.

Noun

 * 1)  A wagon equipped with food and cooking utensils, and used to prepare meals, as on a ranch, in a lumber camp, or during a cattle drive in the latter part of the 19th century.
 * 2) A sandwich composed of a piece of chicken-fried steak or a breaded beef patty, with typical toppings being lettuce, tomato, and mayonnaise.