niffs 

Someone who smells bad

He niffs

niffs by Tub44 May 19, 2018

Niffo 

A Dutch word for 'bro'. Usually used as slang.

Denel: "Huts à niffo alles fakka wakka met die skorro brokko?"
Mathieu: "Nee kanker op à zemmel"

Niffo by Yeeeeeesh June 7, 2020

niffnods 

clueless dumbasses

Why is this train so freaking cold!? And why won't the niffnods behind me f'n shut up!?

niffnods by marieber May 27, 2010

Nifferous 

A man who has been toxic and manipulative towards his girlfriend and has done more evil along the way.
Nifferous can come in many names such as
Good Nifferous, Nifferous B, and Nifferous 7&8.

Damnit, Good Nifferous strikes again… He tortured another woman… However this time she was a minor…

Nifferous by FenrisFrog March 22, 2023

Niffag 

A person that cannot hold their liqour and is an utter pank

Bryan is a niffag for being drunk after 2 beer pong games

Niffag by El papi 305 August 15, 2010

Niffa 

Niffa basically is another word for "Friend".

For example: "Alex is my niffa."

Niffa by Shadowz August 12, 2013

Retep Niffirg 

An Evil Clone of A Person From a popular adult animated american sitcom Family Guy

Retep Niffirg

Retep Niffirg by Unsalted Peanuts December 12, 2022