NIW 

NIW/niw - meaning "No Idea When"/"No indication when"/"Not Indicative When" ; it can also be used with the other abverbs: where, who and why, with the following changes respectively: niwR, niwH niwY.

Although it's mostly used with when

A: Niw dude, she left me hanging
B: Cool story, bro!

NIW by LMaoXDZedong July 1, 2021

Niw  

Ape like creature some charasteristics include: Alf like hair, Bulging eyes, no job, living at home, extremely obese...ect.

I'm going to take a Niw i'll be back in 10 minutes.

Niw by Xchelles bellsX December 23, 2008

niw 

an expression which can define any emotions that exists.

when you're happy: sheeeet niw!!!!!!!
when you're sad: ah, greka niw :(
when you're angry: NIWPUTAHSHDHDGS
when you're excited: YIEHDHDHDHD NIW!!!!!!!!!!!!

niw by niwi the pooh January 14, 2020

Be niw 

So not interested

“Yeah Timmy shat his dacks”

“BE NIW”

Be niw by beniw June 29, 2022

Kono Giorno Giovanna niwa yume ga aru

Japanese:Kono Giorno Giovanna niwa yume ga aru!
English:I Giorno Giovanna have a dream!

The most popular meme/quote from the fifth part of Jojo's bizzare adventure:Golden Wind.It refers to the protagonist's(Giorno) dream to become a gang-star and become/defeat the boss of Passione.This is used to inspire others in the main cast,it has also replaced the "Kono Dio da" meme from part 1.
It can be used when you desire something but in a jokin fashion.

Example 1:
Giorno:Kono Giorno Giovanna niwa yume ga aru!
Abbachio:What are you talking about?
Example 2:
*Hears advertisment about McDonalds having a discount.*
Joey:Kono Giorno Giovanna niwa yume ga aru!

Kono Giorno Giovanna niwa yume ga aru by Cmaster(Lvl 100 Mafia boss) October 8, 2019

Niwigger 

A black person who thinks they're white, but tries to speak Ghetto. Like Carlton trying to speak gangsta to Wil on Fresh Price

Look at Melanie with all of her white friends trying to speak ghetto. She's such a niwigger. Fail.

Niwigger by Whoopie-Baybee September 23, 2010

niwot high school 

A school full of rich white kids, drugs, thotties, and the worst highschool football team in existence

Niwot high school home of the cougars, more like home of the snakes

niwot high school by Th0tties January 31, 2018