The name comes from the Russian word perdezh, meaning a fart, with 90 suggesting it is one entry in a large numbered collection of similar clips shared on soundboards. Fart sounds have circulated online since the early days of meme and prank audio libraries because they require no language or context to understand. This numbered variant follows that tradition, offering a short isolated burst that editors can reuse repeatedly. It remains popular for pranks, reaction edits and toilet humor, where a familiar crude sound delivers the joke faster than any line of dialogue could.