Little reliable information is available about where Passarosph first came from, and the name does not clearly point to a film, show or known character. Online, it circulates mainly as a meme sound shared through soundboards, short videos and chat replies, where obscure clips often gain a second life as reaction audio. Its popularity is tied to that randomness rather than a famous scene, so new listeners usually discover it through other creators reusing the same short clip in unrelated jokes and edits across social platforms and messaging apps.