Skye is the aviation pup from Nickelodeon's PAW Patrol, one of the show's most recognisable characters, which is why her name anchors so many short meme clips. This particular sound circulates online as a brief clip-clop gag rather than a documented line from an episode, tagged simply as a hoofbeat joke. Meme pages and soundboards picked it up because the trotting rhythm is instantly readable, and it now shows up dubbed over dogs, toys and cartoon characters pretending to gallop.