Ultro Ponos circulates as a short user-uploaded meme sound rather than a clip from a known film, show or song, and its exact original recording is not clearly documented. Its appeal is simple and instantly recognisable: toilet humour travels well across languages because the sound needs no translation. On soundboards and in short-form edits it is saved alongside crude reaction clips like fart with reverb and reused whenever a creator wants an immediate gross-out gag. That low-effort, high-shock value keeps it in rotation, especially in prank compilations and parody videos where one unpleasant noise can carry the whole joke.