The specific file FlatScornfulDodo.mp4 is often archived there as a high-bitrate version of the meme.
The footage is from the 1982 animated version of Treasure Island produced by Kievnauchfilm . FlatScornfulDodo.mp4
Search for "Dr. Livesey Walk Full" or "Why Not Phonk Treasure Island." The specific file FlatScornfulDodo
The "full piece" usually refers to the edit synced to the track "Why Not" by Ghostface Playa , which is a "Phonk" style song. FlatScornfulDodo.mp4
"FlatScornfulDodo" is a randomly generated URL string from the site Gfycat (similar to how Twitch clips or Imgur links are named). It became the "canonical" name for this specific high-definition crop of the walking animation. Where to Watch