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
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The duplicitous act of claiming you're going to do something with full intention immediately followed by falling off the planet all the while continually giving updates stating you're on the way in a place you are actually not even near inevitably ending up at the Crazy Cowboy.
Jennifer said she was going to visit Sydney this weekend, but didn't, as expected (duh). She must have been Pulling a Niff.
by JAS Ian October 29, 2009
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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 17, 2021
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