A decisive seventh and final game in a best-of-seven playoff series featuring the Boston Celtics, the NBA team known for their green jerseys and storied rivalry history.

Fan shorthand for high-pressure, do-or-die basketball showdowns where the Celtics' fate hangs by a Larry Bird free throw.

Internet slang for any nail-biting elimination game involving the Celtics, often accompanied by memes, trash talk, and questionable life choices like staying up past midnight.