numnah 

1. a felt of sheepskin pad placed between a horse's back and the saddle to prevent chafing
2. a word used in the 2008 Spelling Bee which was confused with "numnut".

Announcer: "Numnah"
Speller: "Numnut?"... Oh! "Numnah"!

numnah by Smart American Male June 3, 2008

nunah 

a boy's thing

That nunah is gross

nunah by Anonymous October 6, 2003

numbah 

A ghetto term used by people in Baltimore to who cant spell 'number' properly

ngga1 : Yo Bayb can I haw yor Numbah?

numbah by deeraa October 14, 2017

Numna 

A stubborn idiot

Stop being a numna and take a pregnancy test.

Numna by Thefirstdefiner June 13, 2016

nummahayed 

Similar to raygmayer, a nummahayed is one of those things you won't soon forget. If you've seen one, and you haven't forgotten, you will remember it.

"Brandon, you're such a nummahayed!"

nummahayed by B.Y. June 10, 2006

numfah

blue stuff.

after the roller coaster ride, her face was numfah.

numfah by numfah'sbff February 7, 2010

Numbah’ than a cunt full of novacaine 

A person whom lacks so much common sense and/or a combination of basic intelligence that they can be compared to an orifice of female genitalia filled with a numbing agent

origan- New England, Boston, Maine, New Hampshire

My sister in law is such a fucking dipshit, she is numbah’ than a cunt full of Novacaine .
Did you hear what Becky did? Oh my god, she is numbah’ than a cunt full of novacaine

Numbah’ than a cunt full of novacaine by Uncuntedgay April 21, 2018