The phrase "final buzzer" refers to the sound made by a buzzer or horn to indicate that a sports game or competition has come to an end. Full definition
When the final buzzer sounded, LeBron may have earned a ring, but Curry earned a whole lot of something else. (entrepreneur.com)
We don't see a recession emerging in 2018 nor do we think equity markets are exhibiting signs of euphoria typically associated with market tops, suggesting the final buzzer isn't about to sound. (edwardjones.ca)
Both Teams believed they could win two on this night and you could tell that they were both going to fight until the final buzzer.. (allsportsseries.com)