The title is the Russian word for billionaire, transliterated as Milliarder in the slug used online. No clear original recording, artist or year is documented for this short clip, so its history is mainly in how it circulates as a shareable meme sound. Short word based clips like this spread because they work without context, can be captioned easily, and fit many unrelated videos. Milliarder keeps being reused for the same reason, as a quick audio label for pretend wealth, lucky finds and mock serious success in short form posts and chats.