This line comes from Counter-Strike and is most associated online with CS:GO, where it plays when the bomb objective is successfully defused. As short match-announcer audio, it spread beyond the game into meme edits, reaction clips and gaming compilations. Creators keep using it because the phrase instantly communicates that danger has passed, making it a perfect button for reversals, saves and narrowly avoided failure. It often appears in the same edit style as sudden suspense and other recognizable game-status sounds.