Little is known about the original source of Aitropa, which circulates online under that single name on user generated soundboards. The clip lasts about seven seconds and has been kept alive through sharing, reposting and reuse in short form edits rather than through a known film, game or show. Because the name is distinctive and unattached to a famous scene, creators treat it as a free standing meme sound, searching for it by name and dropping it into reactions, pranks and compilations where a short, recognisable audio joke is needed.