A carbonated soft [[drink]] brand produced and owned by PepsiCo. It was originally invented in 1940 by two Tennessee beverage bottlers who wanted a mixer for their [[whiskey]]. The drink has a citrus flavor and a bright green color, and contains caffeine and various other ingredients that may or may not be good for you.

Popular among [[video game]] enthusiasts, action [[playing sports|sports]] fans, and people who like to drink things that look like [[radioactive|radioactive waste]].