1. A term used to tell much money someone has without knowing the real amount. Used when buying fast food
2. How much food someone can buy with a specific amount of money when going out.
1. Person 1 gathers up a bunch of loose change and asks "how much food currency is this?" Person 2 looks at it and answers: "that looks like two bacon cheeseburgers and a small drink"
2. Person 1 only has $5 in his wallet at the moment and can't decide if they want to go out to lunch. Person 2 says: "That's three cheeseburgers and a small fry right there!"