The Backrooms began as an internet horror concept built around endless yellow rooms, liminal spaces and unseen entities. As the idea spread through creepypasta posts, YouTube found footage and analog horror edits, creators started using intense creature screams like this one to represent an attack or encounter. The sound remains popular because it fits the Backrooms mood immediately: empty space, rising dread and then sudden danger. Even outside strict Backrooms videos, it is used anywhere a creator wants a familiar internet-horror payoff.