An intelligent person who will act upon a problem and resolve it.He is a king with no fear making sure that all his people are safe .He is also known to have a massive dick and gets all the ladies in town.
Wow!Hes so cool.That guy is A fucking niddy
by Lolz57 September 14, 2018
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Someone who initially appears intelligent but is found to act idiotic in the majority of situations.

A Niddy will - act without thinking
Ask the same question more than twice
Not be able to see something directly in front of them
Have a terrible memory
Be extremely clumsy
Overuse telephones
Think that sarcasm is wit

Under no circumstances can a Niddy multitask nor even think and speak at the same time.

Can also be used as an alternative monika for males named 'Christian'.
"OMG, he's such a Niddy! Even though it's cleary written on the packet and I explained it to him 6 times, he's still eaten the bar of laxative chocolate! Niddy!"
by bighobo February 04, 2010
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Its an imaginary animal/reptile that has a turtle shell,wings,and the head of a cat that people see when they pee in the night.
Have you ever heard of the flying niddis?
by m.m.mzlni November 12, 2007
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a word meaning no, usually used in an exclamatory way and has a negative connotation.
"damn that ho is thick!"
"Niddi, she ratchet."
by majorsackster January 12, 2013
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The lack of titties, or “yiddies
She cute and all but she got niddies
Haruhi is my niddied queen
by Demön August 13, 2019
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the act of fornicating while wearing footy pajamas

A small penis
They were busy doing the niddy noddy last night and couldn't come to the movies with us.

Nah I didn't do him. He has a niddy noddy.
by whatnowbtch April 12, 2010
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