The phrase comes from the Vietnamese word mèo for cat, written in a playful repeated form that mimics how the animal sounds. Clips like this circulate on short video platforms and soundboards because a persistent meowing loop is instantly understandable without any context or language. Pet owners share it as shorthand for a cat that wants something, and editors reuse it across memes, reaction posts and cute animal compilations. Its simplicity and recognisable rhythm keep it in use even without a single famous source video.