The origin of merumeruchu is not documented, and the clip circulates mainly as a short WhatsApp audio passed between chats rather than as a scene from a film or show. Its appeal is the catchy repetition, which makes it easy to recognise from the first second and simple to forward as a reaction. Online, users treat short nonsense chants like this as shareable audio stickers, saving favourites to reply faster than typing. That portability has kept merumeruchu in rotation for playful exchanges, especially where a cute tone matters more than literal meaning.