some ugly ass white kid who likes cock up their ass and lives in a sand castle. he is usually found riding his ogar, who he refers to as his girlfriend
by -_-guacamoleniggapenis-_- January 20, 2020
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(adj.)

A term referring to that one person in your group who is a self-proclaimed friendly person.

1. pleasant; agreeable; satisfactory; all in a really contradictory way.
"I'm a very friendly person you may not think so but I normally am Nico-Nico-Niice"
by AngelShinken January 3, 2019
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A nice enough guy but can be weirdddddddddd. Can also be such a bitch and really obnoxious. But honestly i would be sad if i didnt know him and he can be funny and really make you laugh. Also kind of a fuckboy which can be really cringy but whatever. Trys to hard to be popular and ditched some of his real friends for that. So yeah hes alright sometimes.
by popcornnoodle February 10, 2018
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A number of singers on the Japanese Nico Nico Douga site whose individual versions of the same song have been edited together in such a way that it appears that they are performing the song as one united chorus.

The song is usually (but not always) a vocaloid or anime song with a video backdrop, often with captions and/or icons identifying the individual singers.
Search for "Nico Nico Chorus" on Youtube for examples.
by greymousie January 17, 2011
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Serious definition: Nico Yazawa's catchphrase from the anime show Love Live! School Idol Project. Though this character seems mean and annoying at first glance, she uses this phrase often to cheer people up and show them that they don't need to feel sad, as they should always smile no matter the situation.
Nico nico nii~~ I'll nico nii your heart! I'm Yazawa Nico-Nico, and I'll put a smile in your heart! Remember, I'm Nico-Ni, and I love-Nico you!
by ZAPBoy October 21, 2019
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A very big threat, if someone threatens your nico nico kneecaps you best be runnin. Holds power over the reverse card. Unless you have Danny Devito on you, you're screwed.
This man breaks nico nico kneecaps, aight ima head out.
by Loaf that's not buttered yet November 25, 2019
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The phrase mentioned by Nico Yazawa, a member of the idol group μ's (pronounced "muse") in the anime, "Love Live! School Idol Project". It can either sound really cute or really annoying to you. No in-betweens.
Nico: "Nico nico nii!!"

Umi: "stfu bruh"
by Syahrul Danial August 30, 2020
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