Little is reliably known about where the name ququshu came from, and the clip circulates mainly through user generated soundboards rather than an official release. That lack of a confirmed source is part of how it spreads, as people share it by its distinctive spelling and reuse it as a generic funny sound. Short clips like this often travel through chats, reposts and edits without credits attached, so ququshu is best understood by its online use as a shareable meme reaction rather than by a known film, song or show.