NIV 

From the Finnish words "Nauran/Naurattaa Ihan Vitusti", meaning "Laughing like fuck", essentially equivalent of LOL.

Look I'm goatse!
-NIV

NIV by Pyllyvekkuli August 17, 2007

Niv 

To overshare or give to much unnecessary and often vulgar information.

Gareth: Paul just told me this completely disgusting thing he did with a bat and a lion...
Suzie: Was he nivving?
Gareth: Yeah....

Niv by Cro123 February 20, 2010

Niv 

A very cute person that is fun to be with.

That Girl is Niv
He is Really Niv

Niv by KingOfWorlds January 18, 2017

Niv 

Niv means the National Internacional Voice of the people

We saw the NIV on tv

Niv by Teddyyyyy October 10, 2017

niv 

MR.LOL

A man with the name Niv is a man with a small dick and girls can't settle for his sex in bed. He's a man who doesn't respect the other and shits a friend.

niv by anonymous November 21, 2021

Niv 

God amongst man, truely an absolute sex machine
A Niv will never disobey another man, at least not for free
Niv's are typicly jewish people who will sell their wife for some sweet shekels
Beast in the bedroom though

man 1 : Hey bro, who's that guy there?
man 2 : That's Niv, Hide the kids

Niv by ChristianDick November 22, 2021

Niv 

Someone that still like shit and/or an Indian

"Curtis Is So Niv"
"Aitor is a niv Cunt"

Niv by CurtisIsNiv May 12, 2023