Niff

To suck a man's balls so hard that it causes pain.

"She was giving me head and then she moved south and sucked my balls so hard it hurt"
"Damn she niffed you"

There's a fine line between sucking balls well and niffing.

by nico-zani August 1, 2021

Niff it

When you sniff your homies fart

homie: “yo you see Jacobs ass right there, I know he just farted, niff it dude”

*sniffs homies fart*

Jacob: “aye yo did you just niff me”

by Christopher lawdimbouttabuss January 16, 2021

NIFF

A tall guy with curly hair who has good chats. A good friend. Is into brunette girls who are short and slim.

Ah Niff is into her

by Uasmina41 March 23, 2022

my niff

A n-word alternitive used for greeting your favorite homeboy/homegirl

"What up my niff, its been a minute since ive seen you!

Your niff- yea just been busy with work!

You- cool cool hit me up later than my niff!

Your niff- fa'sho my niff!

by grizzlyMANE May 30, 2013