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Shortened version of nincompoop, a silly, idiotic person. can be used affectionately.
you went into the girls bathroom by mistake? you ninny!
by Shwaggy November 18, 2003
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Nov 23 Word of the Day
A massive dump that takes 10 to 15 times to flush.
After Thanksgiving, I had to Take a Trump.
by JRBIV December 11, 2019
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2
Quite possibly the coolest insult ever. Short for nincompoop, it was used often in Victorian Europe and early North America. Insult of choice for monocole-wearing gentry, and anyone with a bit of class.
My, what a ninny! *monocle*

Ninnies + potatoes = sign of good will?
by Rivviko September 10, 2007
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3
1. An idiot
2. Short word for nincompoop
3. Someone who is afraid of everything and has no courage; see pansy
by Turd Ferguson January 29, 2004
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5
short for nincompoop, a silly, stupid person. often used affectionately.
you went into the girls bathroom by mistake? you ninny!
by Shwaggy November 18, 2003
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