A reaction used to express annoyance or irritation. Possibly deriving from the word Niet, meaning "no," or "do not" in Afrikaans.
A: You're wrong.
B: Well... Nyeh.
A: Nyeh your face.
B: Nyeh your mom!
邮件由 email@example.com 发出。我们决不会发送垃圾邮件。