If you want, I can:
The exact filename returned no results on the open web. This strongly suggests that either the name has a typo, or it's a privately held file that hasn't been uploaded to public platforms.
TikTok and Instagram Reels popularized hashtags like #GalicianGotta in 2021, though no major trend appears in archives. However, niche regional challenges often go undocumented. The MP4 might be a screen recording of such a challenge, later shared via WhatsApp or Telegram, explaining its elusive nature.