This clip circulates online mainly as a Russian-language reaction sound rather than as a clearly credited quote from a widely known film, show, or anime. Its popularity comes from how quickly it communicates shock and rough-edged amusement in less than a second. Short edits on meme pages, chat reposts, and reaction compilations helped it spread, especially in videos where a single frame needs an immediate “what was that” response. It stays useful because the phrasing is memorable even for viewers who do not speak Russian.