An empty soda can designed for you to piss in for uninterrupted gaming. If it's wide enough. you may be able to fit a few dukes in there too.
I am ready to ROCK this valorant game, got my gaming cans ready
1) it means fuck all day; or,
2) generally do anything all day, which (when you generally do anything all day) usually means fuck all day.
common usage:
girl: "so wha u wanna do? i can game all day"
boy: "idk scout how bout we take em out..."
girl: "when and where but always ben"
boy: yup