Scrumdilly yum yum comes from online slang where saying someone ate that means they absolutely nailed a look, performance or dish, and purr adds playful approval. The clip built its life as a shareable meme reaction rather than a line from a known film or song, circulating in short videos as a ready made compliment. Its mix of food language and beauty culture hype explains why creators reuse it for both cooking posts and fashion reveals, long after the original post.