Ninny

1. An idiot
2. Short word for nincompoop
3. Someone who is afraid of everything and has no courage; see pansy

You are such a little Ninny!

by Turd Ferguson January 29, 2004

Ninny

nincompoop, idiot, moron, Piers Morgan

Piers is a big Ninny

by SusanHarHar October 3, 2010

Ninny

a breast on a women's chest, boob , titty,

"Why are you touching my Ninnys"?

by quare332 December 30, 2011

Ninny

A cute name for someone without using a real swear word 0_0

Nick: In My face you Ninny!
Ebony: Ninny? AHA you douche.

by Sweetener January 4, 2011

Ninny

(noun) One of those girls that you always see at college parties who is between the ages of 15 and 18. One second she is up and about and yelling "its my song!", the next she is puking or making out with a 30 year old.

That ninny spilled her drink on me. That ninny bitch.

by bayneofitall February 20, 2013

Ninny

A small, weak, Middle Aged woman-like idiot.

Tom is such a huge ninny!

by Urbaaaaannnnnnnn May 6, 2020

Ninny

A term that is used to refer to someone who is being ridiculous, silly, or who is slightly off their rocker. Often used affectionately.

Mr. Holt, you are being quite a ninny today.

by bits99 May 4, 2021