When, during a sporting event or some other gathering where there is some intermission or break in action, one participates pre-gaming
the second (and third, etc.) parts of the event
Person 1 - "Hey they are saying there is a weather delay and so we need to leave the stadium for like an hour"
Person 2 - "Wanna go mid-gaming so the rest of the game doesn't suck?"
Person 1 - "Sure"