This clip comes from the world of classic cartoon sounds, where a canned audience gasp was used to underline a silly surprise on screen. The surprised ooh circulated widely on user soundboards and short video apps, where creators paired it with fails, bad takes and awkward reveals. Like the Woody Woodpecker laugh and other cartoon chase sounds, it works because the reaction is instantly recognisable, even without context, and it still fits the fast, reaction-driven style of modern memes and edits.