Bussss has circulated online as a short, user-shared meme sound rather than a clip tied to one widely documented film, show or creator, so its exact first appearance is unclear. That loose history is part of its appeal: without a fixed scene attached to it, creators can reuse the stretched vocal for almost any confident, silly or over-the-top moment. It spread through soundboards and short-form edits, where brief, instantly recognisable sounds travel quickly, and it remains in use because the joke is carried entirely by timing and delivery rather than by a reference viewers need to know.