This sound is tied to the Red Light, Green Light sequence in the 2021 Netflix series Squid Game, which quickly became one of the show's most shared scenes online. Short clips from that game spread across TikTok, YouTube and meme edits as creators reused the cue to represent a brief all-clear moment. It remains popular because the phrase is simple, the reference is widely understood, and the scene's tension makes even a tiny audio snippet feel dramatic.