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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
Any guy named Nyan prolly has a big heart, fashion sense is kinda outta pocket due to his taste in above knee swimming trunks. Nyan also has THE BIGGEST cock meat bulge out of all of his friends.
Boy 1: who’s that guy with the loud shorts ?

Boy2: you don’t know bro?

Boy1: no bro.

Boy2: dude bro that’s a Nyan just look at his bulge.

Boy1: bro, I wanna be a Nyan
by ImOneOfTheBoys January 30, 2020
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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
The most magnificient person and delicate little flower you will ever meet on Discord. If you ever get a chance to run into her then consider yourself as one of the luckiest person on this world. If you ever have a bad day, then the brightness emitting from her charisma and charactership will shine through your darkness. She have her moods but that doesn't affect the fact she is the most valuable treasure the heavens have to offer. She is the very book definition of happiness and charm. Treat her kind and you will be blessed with a happy life.
Person 1: I love nyan so much!!
Everyone in the world: Me too!!
by Nyan1011 May 12, 2018
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