poo ninny 

1) wimp
2) person incapable of simple requests

chip you poo ninny, do a roly poly

poo ninny by botaf November 11, 2003

cotton headed ninny muggins 

One who thinks he is humorous and/or lacks brain capacity; a doofus

Notice how the two previous posters before me are, themselves, cotton headed ninny muggins's?

cotton headed ninny muggins by Ctrl April 22, 2006

cotton headed ninny muggins 

An insult used by elves

Buddy the Elf: "I'm just a cotton headed ninny muggins!!"

cotton headed ninny muggins by Papa Elf13 January 1, 2012

Clan Ninny Muggins 

Clan Ninny Muggins is a clan in the popular app clash of clans. It is led by the fearless leader, Geoffpac and is a very active clan. Being in clan Ninny Muggins is not only rewarding in it of itself it's fun. The clan is an up and coming clan with a range of levels for players starting in silver rank all the way up to master. Ninny Muggins is a diamond in the rough for a clasher.

To be a member of Clan Ninny Muggins is to be part of the Ninny Muggins family.

Clan Ninny Muggins by Riptide Tiger July 28, 2014

cotton-headed-ninny-muggins 

a diss/insult in a funny, babyish way. It adds humer to any harsh fight and you may hear it coming from a whole range of different ages.

your such a cotton-headed-ninny-muggins! what is your problem

cotton-headed-ninny-muggins by stick it January 1, 2006

big ninny 

Larger than an average ninny! Smaller than a giant ninny!

Beej is a big ninny!

big ninny by Paulaisamess July 3, 2014

nar nar ninny 

The ramblings of a truly confused individual

Frank: "Hey man"
Joe: "......Nar nar ninny......"
Frank: "Oh dear lord"

nar nar ninny by HREEEEEEEE December 17, 2010