(Gıda) A po' boy (also po-boy, po boy, or poor boy, or a southern slang for "poor old boy".) is a traditional submarine sandwich from Louisiana. It consists of meat or seafood, usually fried, served on a baguette (in the US usually referred to as French bread). What makes a po-boy special is the bread. A po-boy isn't a po-boy unless it's made with good quality, fresh French bread. New Orleans French bread has a crunchy crust with a very light center. Roast beef and shrimp are the most popular fillings for a po-boy, but just about anything can be put inside a loaf of French bread and taste good. Freshness and quality are the two most important aspects of what goes inside a po-boy