or game chang·er
Origin of game-changer
Examples from the Web for game-changer
Either way, Bragman knows he took part in a moment that truly can be called a game-changer.How Howard Bragman Orchestrated Michael Sam’s Coming Out|Itay Hod|March 12, 2014|DAILY BEAST
“That film about the tour was a game-changer for all of us,” remembers the comic.Cedric the Entertainer Wants to Make You a Millionaire|Allison Samuels|September 2, 2013|DAILY BEAST
If polls start showing Santorum beating Obama, that could be a game-changer, Brabender says.
Newt thrived and Romney bombed, which could make this debate a game-changer.Republican Debate: Newt Won and Romney Bombed with a Bet|Mark McKinnon|December 11, 2011|DAILY BEAST
But days eight and nine were a little bit of a game-changer.