When you're intoxicated from cigarettes and coffee
We were so damn niffed yesterday nigguh! We drank 2 cops of coffee and we smoked 3 cigarettes!
by Bregysunnyboy February 22, 2011
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Annoyed. Perturbed. Not as intense as Pissed. Usually directed towards a person
A: "Fine I was just trying to be nice I won't bother you again"
B: "What is that all about"
A: "Nothing"
B: " "I wont bother you again" you sound like you are niffed at me"
A: (Insert explanation)
by Little Drummer Boy Fred June 30, 2015
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Never (N) In (I) Finals (F)

Girl or guy at a swim meet with straightened hair, a ton of makeup, and cute clothes. They are obviously NOT there to swim. They just came to "cheer" and look "hot" while the other swimmers work their asses off in finals.
Look at all the nifs on that team.

Dude, that girl is a total nif. She wont even get close to the water.
by thevirginmarysarah July 23, 2010
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when something is really cool, awesome, or interesting
oh my god that is so nif
by Anonymous April 28, 2003
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(v.)to nif. The act of niffing is to push or throw someone off of the edge of a bridge. Used in a negative connotation.
Thay kid better watch out. I'm about to Nif him off that bridge.
by MusiG August 12, 2017
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omg, those shoes are so nif!
by Kennedi Greene September 27, 2007
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An incredibly horrendous looking and completely idiotic human being
Bobby is such a nif.

Why would Ally want to go out with that nif?

That's a group of nifs if I've ever seen one.
by SkySouthstreet November 20, 2013
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