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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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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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
Get the ninny neck gaiter and mug.
Infantile, seemingly British, term for the female genitalia.
"Show me your winkle and I'll show you my ninny"
by Mr. Duffy January 18, 2008
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a pushover, like a noob.
Bobert: Wow, that kid that plays runescape is such a ninny. I stole all his money, ate his girlfriend, and fed him to a boar and he didn't even think twice about it!

Sam: Hey man, wanna play some b ball?
Cheechee: Well, I uh, I kinda wanna play some more runescape.
Sam: You fucking ninny.
by Ninny Barberino December 17, 2006
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1. a stupid or silly person, an idiot (from nincompoop)

2. a woman's breast (usually plural)
by The Return of Light Joker November 23, 2007
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