A childish, non-explicit word for boobs or breast. My mom’s friend got breast cancer (and lived, thank goodness) a few years ago and all 4 of her kids went around telling everyone that their mom had ninny cancer.

“Please cover up your ninny, the children are here!”

by somethingforyourmind February 16, 2018

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Cotton-Headed Ninny Muggins

A complete moron that can't do anything or hardly anything right.

Bud is one of the dumbest persons to have ever existed, he is a prime example of a cotton-headed ninny muggins.

by PhoenixGamer34 December 24, 2021

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Ninnied

The process of being made a ninni. Being made to be a nincthat. The act of being lied to and believe it. That turns you into a ninni

She ninnied you all into believing that I would really do that.

by Wafflemuggins December 18, 2021

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ninny nooney

ninny nooney preoccupied/obsessed with minutiae and loss of perspective of the bigger picture of life.

Mary was ninny nooney with her hair stylist, and made excessive demands about her haircut.

by Particular, specific May 07, 2018

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