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 22, 2011
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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 16, 2010
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THE MOST F***ING ANNOYING THING ON THE INTERNET!
www.Nyan.cat
by LolImanapplebro May 8, 2011
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Step 1.Type "Nyan.cat" in your web browser
Step 2. Hit "Enter"
by Nano535 May 31, 2011
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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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A high-schooler that stays in the closet while dating someone of the opposite gender, all the while everyone around them knows about their secret gay loving.
I cannot believe Derrick, he's such a Nyan! Everyone knows that he likes the D!
by nyangnyang March 20, 2017
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An English speaker's interpretation of an incomprehensible Engrish phrase commonly said by Maids in Maid Cafes within the Akihabara of Japan.

The literal meaning of "Rabu Rabu, Nyan Nyan" is "Love Love, Meow Meow" and is said to emphasize the Maids' Kawaiiness or cuteness.
Watashi no name wa Kazumi desu. Rabu Rabu, Nyan Nyan!

My name is Kazumi. Love Love, Meow Meow!
by Kaigenji July 17, 2010
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