A game played at a pub between a group of people where each person in the group has to run to a another pub, drink a pint of beer, take a photo of the full and empty glass, and come back. The person with the quickest time is the winner.
Man 1: Let's play beer wars
Man 2: Good idea - ok, I'll go first
Man 3: I'll get the stopwatch ready
Man 3 to Man 2: Ready, Set, Go!!
Man 2 does as defined. When he gets back, he decides the next person to go.