An overused adjective to describe something someone finds interesting. Often used by people with a limited vocabulary.
Person 1: Is that a FLYING elephant on a unicycle!? That is sooooooo nifty!
Person 2: ...Get the fuck away from me.
by Lord Bologna March 12, 2010
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something that:

-has a dipping sauce
-helps you with your math homework
-fits in your pocket
by HOLLA AT CHA GIRL August 23, 2007
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neat, smart, stylish (see also slick)
These nifty glasses lenses automatically darken in bright light to protect your eyes.
by Light Joker October 16, 2005
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really very sexy, wonderfull, exciting, or stupendous
"The new _______ CD came out!"
"Nifty!"
by ari shows her o face September 14, 2005
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Something that nifts
The Nifter is Nifty
by joeblows November 19, 2003
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adj. phrase used by mostly preppy girls to indicate a postitve quality
Natalie "I just got new Pumas!"
Eliab "That's nifty!! Where'd you get them?"
by Eliane December 9, 2003
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