Slendrina is the ghostly villain at the centre of a series of mobile horror games where players explore a dark house while trying to avoid her, and her scream became one of the most recognisable sounds from that gameplay. Clips of the scream spread through horror gameplay videos, reaction edits and short-form posts, where creators reuse it as a shorthand for a sudden scare. Like the FNAF Jumpscare Scream, it works because listeners already associate it with being caught, so it still triggers tension years after the original games first circulated online.