crowd gasp

It is usually added to videos as a reaction cue for surprise, suspense or awkwardness. Editors drop it on reveals, mistakes and dramatic turns to make the moment feel bigger and to simulate an audience reacting in real time.

This kind of gasp is commonly used online as a general reaction sound, and many uploads do not point to one confirmed original source. People mostly recognize it by the effect it creates rather than by a specific character or scene.

Use it only on your strongest surprise beat, such as a reveal, failed attempt or uncomfortable line. If every minor moment gets the same gasp, the joke loses impact and the audience starts anticipating the effect instead of reacting to it.