Phrases in French often travel further as meme audio than full songs, and this drawn-out petit poneyyyyy shout is used that way online. Clips are typically cut short, boosted and reposted on soundboards, where the extended final letters in the title mirror how long the voice holds the note. It is shared in gaming, cartoon and reaction edits not for its lyrics but for the instant contrast it creates, shifting a video from normal to deliberately cute and ridiculous in a few seconds without needing any context.