Cotton-headed ninny muggins

Someone who needs to wash their rectum

"you are a cotton-headed ninny muggins"

by CASP3H September 2, 2023

Astro-Ninny!

An expletive used in response to another person attempting a 'mansplanation' of the difference between ASTROLOGY and ASTRONOMY. Frequently used to interrupt long supercilious diatribes on science, the occult, and the distinctions between them, .

T: "You know, there is a big difference between astrology and astronomy! Star signs are part of astrology. Astronomy is..."
M interrupting: "Astrology, astronomy - what is the difference?"
T: "There is a big difference. Astronomy is based on science. Astrology and star signs is not but rather..."
M shouting: "ASTRO-NINNY!" End of the conversation.}

by Sleap Reeder June 9, 2022

Ninny

The only word that can be used to describe Marcus!

“You Ninny!” - Said Rio xx
(Marcus dies of laughter 27/10/2020)

by Cheerios4ever October 26, 2020

ninny twit

a blow hard whose pseudo knowledge on a subject leads to moronic rants

Your shallow knowledge of football coupled with your emotional assessment of your team’s performance is that of a ninny twit

by oldvelvet1943 November 5, 2023

Ninny-Man

A feeble and foolish adult male.

Forgive me mother and father, for I am just a simple silly-willy Ninny-Man, I shan't leave the dog in the hot car the next we have ourselves a family pet.

by random_male_seeks_meaning July 25, 2018

ninny boo boo

A person who is whiney and complaining alot.

Erick spends most of his day acting like a ninny boo boo when he doesn't get his way.

by CoronaLady13 June 29, 2015

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