A fork of Rural Dictionary
"Unyu?" (うにゅ?) is Utsuho Reiuji's trademark sound, ever since she said it in the Extra Stage back story of Subterranean Animism (Touhou 11; PC game).
A: "Hey, you over there, what do you think?" B: "Unyu?"
"Unyu" is a word that people say when they see something cute or sweet.
A: Omg, Halvo is so unyu. He looks like a puppy! B: AGREE. Unyunyunyunyu.