A blanket statement used in a situation where one
party intentionally acts against the wishes of another
party, despite initially agreeing to their terms. Broad enough to confuse the target, but vague enough to deter any further questioning. For maximum effect it should be said with an
air of mysterious confidence.
Guy 1: "What's the deal bro? I called dibs on that
chick, and now you're chatting her up?"
Guy 2: "The game has changed, my friend. Now
run along, I'm working here."
Guy 1: "...
Whatever, man."