Top definition
A bad idea, or a no-no; expressing disapproval.
Pronounced neesh-neesh
Jeff says, "Hey guys, lets go down to the salvage yard and sell the metal to make a buck!"

Everyone else, in unison: "niche-niche"
by SeffreyJimon October 08, 2007
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Apr 24 Word of the Day
A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.
“Dude, his stuff is pretty out there but he’s still pretty Finance Punk.”
by Pop Pop Bienstock April 01, 2021
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2
A group of people who think they are truly unique and special but probably aren't
Those vsco girls think they are so niche niche
by drummer80y February 20, 2020
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3
A business idea that is small and well thought out.
That niche-niche is the bee's knees!
by differentpeople February 29, 2012
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