Unlike a clip taken from a film or viral video, this gas leak sound is a generic effect rather than a recognisable quote or song, which is why it fits so many different edits. Short hissing sounds have long been used in cartoons, comedy sketches and online videos to suggest a leak, a flat tyre or pressure building before something bursts. On social platforms creators reuse the same brief hiss because it is instantly understood without explanation, making it a handy shorthand for danger, embarrassment or a situation about to go wrong.