nunnymuggin 

a term used when someone else pee's in your closet, shoes, etc.

dang, t-bird i can't believe i woke up blacked-out and nunnymuggined in your closet last night.

nunnymuggin by i empire January 10, 2008

cottonheaded ninnymuggins

a dumb elf, as coined in the movie "Elf"

"i'm nothing but a cottonheaded ninnymuggins"

cottonheaded ninnymuggins by dfg January 5, 2004

cotton-headed ninnymuggins 

dumb or foolish. ninnymuggins doesn't really have a meaning.

its a funnier way to say silly

sorry i'm late, my car was being such a cotton-headed ninnymuggins.

cotton-headed ninnymuggins by scuba steve December 23, 2004

Cottonheaded Ninnymuggins

A bafoon; someone who makes a simple mistake or falls for a childish gesture. A fool of sorts.

"Im such a cottonheaded Ninnymuggins for not realizing that!"

Cottonheaded Ninnymuggins by TheWillBird September 3, 2018

cottonheaded-ninnymuggins 

Reference to the movie "Elf"

meaning; annoyance, party pooper

A silly way to tell someone they are being petty, or of slight annoyance

In the ways of the elf, an impolite, rude, insulting term to describe someone rebellious, or with bad behavior

Please?!?
No.
Aw, C'mon don't be such a cottonheaded-ninnymuggins!

cottonheaded-ninnymuggins by czecsnut January 21, 2019

Cotton headed ninnymuggin 

A lazy individual who can’t pull their own weight. Calling someone a cotton headed ninnymuggin is the equivalent of calling a blacks person a Nigger.

Which one of you cotton headed ninnymuggins smoked my last pack of newports and drank my malt liquor. I’ll bust a cap in your cotton headed ninnymuggin ass when I find you

Cotton headed ninnymuggin by White Christmas May 13, 2022