Used in conjunction with the word "see," Often used by men with curly moustaches wearing a monocle and a black top hat. Sometimes the man also wears a penguin tux. Sometimes the word nyah is even extended to furthur draw out the intensity of the word. Often used while twisting the curled end of the moustache.
Tuxedo'd Man: "Nyah see."
Tuxedo'd Man: "Nyaaaaaaaah seeeeeeee"