jack-a-ninny 

1. Slang term, an idiot, nincompoop, lacking common sense. 2. An indolent person. 3. A cross between nincompoop and jackass.

1. Get back to work you jack-a-ninny!
2. Al is a frickin jack-a-ninny.

jack-a-ninny by Hoyt of The Ledge May 26, 2006

pied ninny 

Old time word used in Shakespeare plays and the novel Wednesday Wars. The word means ass. Mainly used to calling someone or something one. Curse.

"Your such a pied ninny!" or "God, look at the pied ninny fellas!"

pied ninny by I know what words mean! May 30, 2016

ba-weep-gra-na-weep-ninny-bong 

The universal greeting, as stated in Transformers the Movie.

"Watch, I'll have them eating out of my hand. BAH WEEP GRA NA WEEP NINNY BONG!"

ba-weep-gra-na-weep-ninny-bong by Musasa May 4, 2005

Ass Ninny 

People who enjoy Carlos Mencia.

The ass ninny laughed and laughed as Mencia spit out mexican joke after mexican joke.

Ass Ninny by J.N. Growling July 7, 2010

cotton-headed-ninny-muggin 

someone who is not very skilled at their job

Buddy the Elf

cotton-headed-ninny-muggin by Johnny Depp December 6, 2003

Cotton Headed Ninny Muggins 

1) A moron, idiot, dumbass, and overall stupid.

2) A human who accidentally got into santa's bag, and was raised by elves, who because of his human form, cannot make toys as fast as the elves and is inferior.

3) An inferior toy-maker.

Buddy: "Why don't you just say it? I'm the worst toy-maker in the world. I'm a Cotton Headed Ninny Muggins."
Elf: "No Buddy, you're not a Cotton Headed Ninny Muggins. We all just have different talents, that's all."

Cotton Headed Ninny Muggins by AnAsian2010 December 19, 2009

Kunky Ninny 

An absolute lunatic. Someone who is a few cards short of a full deck.

Derek stop biting your finger

nnnnn bitey biteeeee, wooooo woooooooo

Derek you are such a kunky ninny

Mmmmm taste, taste the kunky bitey wooowooo nnnnnnnngghh

Kunky Ninny by Doctor DDP December 4, 2010