Niko 

A guy who seems great at first, but turns out to be a giant ass in the long run. Though he's always there for you, he'll pull stupid and hurtful shit, annoying others. Also is not too smart.

That guy at the bar is a real Niko

Niko by ppmaster August 2, 2014

Niko 

A very self centered person who does not give a damn about anyone. Not even himself. He will get very mad if he is out of pepsi and candy or loses an official clanbase match.

Niko is a guy from Finland. He Mad.

Niko by ZedZorander October 24, 2011

niko 

Marijuana, Pot, Ganja, Weed, Cannabis. A term that comes from Puerto Rico. A really useful nickname because the authorities don't know it.

Hey, let's go smoke some niko!

Put some more niko in the bowl.

niko by My secret pseudonym April 4, 2009

Niko 

A charming, charasmatic, mysterious man. He is most likely an Assassin, but once you get on his good side, he will show you who he truly is. He follows the Assassin's Creed with his life. He may always go places armed to the teeth, but that is just to intimidate any Templar Agents set out to kill him. This seem to attract many women, yet he has likely never dated anyone.

Jock 1: Who is that?
Jock 2: I'm pretty sure thats Niko.

Jock 1: Whos Niko?
Jock 2: I'm pretty sure hes an Assassin, so watch out.

Niko by DB264 June 13, 2017

Niko 

Niko is the gayest man you will ever know. He is SO gay that he could transform anyone he touches into a gay man because he is just so fucking gay.

"Niko is so gay"

Niko by It is I, me June 30, 2020

niko 

a man who usually goes for whorish type females and picks the worst females to talk to. He usually always has a nice girl that likes him, yet he passes her up to be with the hoodrat or the fat girl.

Man, look at the boy over there he's so niko don't even know that he got a nice girl diggin him.

niko by cassidy's_a_trip December 26, 2007

Niko 

A big boi Chungus who loves his special sauce. He is omnipotent and fucks everyone in his way.

Niko loves his special sauce.
P.S. By the way, ‘special sauce’ is John Cena’s cum.

Niko by YourMumGei August 5, 2019