niinii 

Something that is very cute. The littler it is, the bigger.

"My cat is a niinii"

niinii by gigigh April 11, 2017

ti! ti-ninii 

(exclamation)
used to convey the idea of approaching disaster or death

Japhet: I am showing symptoms of COVID-19
Franz: ti! ti-ninii

ti! ti-ninii by Ghana Dictionary April 19, 2020

Niijii 

A ojibwe term for friend, mainly said among native kids

My niijii is going a football game tomorrow

Niijii by Minnesotaizdabeast September 27, 2018

Sauli Niinistö 

12th president of Finland.

John: Who is the president of Finland:?
Joonatan: Sauli Niinistö is the president of Finland.

Sauli Niinistö by WillyWonkaLover2020 November 8, 2020

niiiicccee 

A word used in describing things in a postitive manner.

1) Niiicccee I Won the lottery!
2) Shit that girls niiicccee!
3) Niiiicccee (on its own)

niiiicccee by Douglas4321 September 3, 2007

Steak Niiiiiiiight ! 

Adj. Used to describe a night you're really anticipating.

Ben and Eric see each other at work and loudly project: Steak Niiiiiiiight !

Side Note:
Must be immediately followed by the following words: "May your mushrooms always be sauteed and your onions grilled. Gravy."

Steak Niiiiiiiight ! by Rick Roll(ed) January 8, 2009

Niiiiiiiiiiiiiiiiice 

Meaning extraordinarly nice. Way better than average.

That biyatch's ass is Niiiiiiiiiiiiice!!

Niiiiiiiiiiiiiiiiice by Shizzo April 12, 2004