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The sound a japanese cat makes. Much like the American 'meow'.
cat in america: meow, meow

cat in japan: nyan, nyan
by The Emo Japanese Girl April 14, 2008
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2
It's the sound of boredom. It plays when boredom is lurking.
John: I'm Bored.
Out of nowhere: NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN NYAN
by dchnyan June 27, 2011
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3
An interjection often used by fangirls or chibi like art to express satisfaction, joy or any gentle happiness.
-Aww, this chibi is so cute!

-*Nyan!* ^_^
by RockCandy15 October 16, 2006
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4
The most kawaii word from 2010 from a self demotivational and excruciatingly stressing video on youtube called 'Nyan Cat'
Bob: Hey Joe, have you seen Nyan cat? NYAN NYAN NYAN NYAN NY...
Joe:*Shoots Bob in the testicles*
by LostPotato462 January 02, 2015
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5
A very handsome boy. Who most certainly has a very cute girlfriend. A loyal boy who has never cheated on a girl.
If anyone chats crap about his girl he wont mind as he knows they are jealous of him for having a cute girl.
He is a splitting image of perfect and fit. He is adored by many but will always stay loyal.
He is the kind of guy every girl needs in their life as he cares and adores them and knows how to make them feel special.
See Nyan over there

He is who you want in your life
by Best Life December 03, 2018
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6
From the popular video "Nyan Cat".

Usually used numerous times in comments on YouTube videos, especially on the "Nyan Cat" video.
Person #1 OMG! LOL =D
Person #2 NYAN NYAN NYAN NYAN NYAN NYAN NYAN
by Nyancat• August 21, 2011
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7
After the character from K-ON! Azusa Nakano won the saimoe
2010.The campaign made a poster titled "YES WE NYAN" instead of "YES WE CAN"
The word "Can" is replaced by "Nyan"
While "Cant" is turned into "Nyan't"
Boy A : Im envy at Tom's guitar skills...
Boy B : Yeah me too..he nyan play the guitar so well that even
I nyan't keep up with him....
by YueTheClow November 15, 2010
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