If you ever find yourself near me and you use the term game changer, you better watch out. I'll pelt you with stale Fig Newtons.
Way overused.
Once I was playing Scrabble with a friend. We got bored and decided to play beer pong. That's a game changer.
North Korea getting ICBMs is not a game changer. Still the same fucking game. It's just the Platinum version with a 3-D board and really expensive men.