An interjection that can express any emotion, depending on tone of voice.
Bob: Did you here your team won the game?
Joe: Really? Nyah!

Bob: What are you going to do today?
Joe: Nyah, I don't know.
by Tatalp February 24, 2009
the sound made by giving a kiss, can be used in place of muah to mean you are kissing someone you love;
to use nyah means that you love the one you are sending the kiss to
Sweet dreams baby, nyah (kissing the one you love goodnight)
by ConTravy September 06, 2011
no and yeah, not really but kinda
are you having a good day? Nyah I guess!
by goldenr January 10, 2008
An interjection indicating displeasure. Supposedly first uttered by a snarky cat.
Nyah! I don't like that!
by Phil McKraken September 25, 2005
That annoying sound you hear when dorks (especially engineering majors at Georgia Tech)start talking about something nerdy.
Gerald: Hey Bob how did you like that lecture on pitot static tubes and velocity analysis?

Bob: Nyaaaah!!!!!
by Elias Margonis June 18, 2004
A single syllable expression that can be used in place of "Oh well"
Ah shite, the TV wont turn one
Nyah :(
by Travis Georg Muller September 16, 2007
Nyah! Pronuceation: Nee-aah
1:it is a ramdome outbust usally to brake silence. 2:studies have shown that it could be the mating call of the Sieonigh.
Bob: ...
Dan: ...
Jon: ...
Another Guy: Nyah!
Bob: lol
Dan: shut up!

Sieonigh: Nyah!
unfortuantly no one ever answers.
by Sieonigh October 10, 2007

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