(adj.) To be very cool or neat; Existing in a unique, positive manner.
"I got a nifty new sledgehammer, care to see?"
by Cheshyre Neko December 09, 2003
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In general, anything that is great, helpful, or unexpectedly awesome.

Nifty can be used in many different contexts.

Nifty is a great describing word and will soon be used by the entire population. Wouldnt that be nifty?
My, isn't that a nifty pen?
Wow! look at what my niftypen can do!
She probalby has a lot of nifty knowledge rattling around in her ol' noggin!
I printed off the page for you as it has some nifty studying tips on it.

still confused?
take a trip to see your math teacher; they love nifty.
by obama.91 March 22, 2010
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the act of exhaling smoke immediately after inhaling causing no effect and a waste of weed.
Nathan was totally pulling a nifty the other day.
by thewinnerscircle October 14, 2015
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Refers to www.nifty.org, a rather large archive of erotic literature, a bit of it rather odd. Includes a vast array of topics, including, but not limited to, beastiality, incest, rape, bondage, hermaphrodism, gay/lesbian/bi/trans, sex with children, and at least one rendition of the story behind tubgirl.
Nifty is home to some of the most fucked up and disturbing stories ever. Long live Nifty.
by Mike September 17, 2004
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