This sound comes from Dead by Daylight, the asymmetrical multiplayer horror game by Behaviour Interactive. In the game, skill checks appear during actions like repairing and healing, and missing one can reveal your position or slow progress. Because the cue is so recognizable to players, it spread into short gaming edits, TikToks, and reaction memes as a shorthand for sudden pressure. It is still widely used because a single beep instantly suggests concentration, nerves, and the possibility of an embarrassing mistake.