Wiktionary
loco moco
n. A traditional Hawaiian meal, usually of white rice topped with a hamburger patty, a fried egg, and gravy.
Wikipedia
Loco moco
Loco moco is a meal in the contemporary cuisine of Hawaii. There are many variations, but the traditional loco moco consists of white rice, topped with a hamburger patty, a fried egg, and brown gravy. Variations may include chili, bacon, ham, Spam, kalua pork, linguiƧa, teriyaki beef, teriyaki chicken, mahi-mahi, shrimp, oysters, and other meats. Loco Moco is also the name of a Hawaiian-based restaurant chain that serves Hawaiian rice bowl dishes.