Because this is a specific file string rather than a public media title or a known viral trend, there is no public information available regarding its contents. Filenames in this format are typically auto-generated by software:
: Search for this exact string in your computer's file explorer or phone's gallery. Puzdosia_2023-02-21_22-01-22_826.mp4
Could you tell me or what type of software you were using? Knowing the context would help me track down what it might be. Because this is a specific file string rather
: If "Puzdosia" is a name you recognize (e.g., a gaming handle or a specific app), check the "Exports" or "Recordings" folder within that program. Knowing the context would help me track down
: Could be a username, a folder name, or the name of a specific application/device.
: Check Google Photos, iCloud, or Dropbox if you use auto-backup features.