The name pairs Darkenay with susto, the Spanish and Portuguese word for a sudden fright, which explains why this short clip circulates as a jump scare sound rather than a song or spoken line. Short scare clips like this spread through short-form video, where creators need an instant shock that fits inside a few seconds and works without explanation. Its appeal is practical: the sound is brief, unmistakable and easy to drop into pranks, horror edits and reaction videos, so it keeps being reused whenever a creator wants a fast, startling payoff.