Top definition
a dumb elf, as coined in the movie "Elf"
"i'm nothing but a cottonheaded ninnymuggins"
by dfg January 05, 2004
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Jun 3 Word of the Day
When the “crush” has no intentions of taking things further, but they like the attention. So they flirt here or there, send dm/texts just to keep the person interested, knowing damn well they’re staying single.
Danielle was so flirty the other night, he messaged me 3 times just to say hello, I think he’s coming around.

No Susan he’s breadcrumbing you just so you’ll keep nibbling at his heels.
by Briness March 15, 2018
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3
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."
by AnAsian2010 December 19, 2009
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4
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?
by Ctrl April 03, 2006
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6
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
by stick it January 01, 2006
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