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1)A typical insult used to infuriate and confuse the person you are roasting
2)Another way to call someone dumb. Though Headass and Neckass have the same meaning there are some differences.
1)"Yo bruh you got a 2+2 hairline like what is that?!"
2)Nigga if you don't shut your ugly ass fuckboy Jason Derulo diabetes neckass the fuck up. Dumb anaranjado headass bitch. Nigga look like a lightskin Lightskin Kevin Hart with that long ass snap into a slim jim neckass gringo.
Neckass by JackTheJobber March 23, 2017

neckgasm 

The sudden arousal of a male or female counterpart by something as simple as a kiss on the neck. Its funny to see someone do it because the reciever makes funny faces and has this look of pure bliss to them.
the way she kissed her boyfriends neck sent him in to a neckgasm
neckgasm by ~stephany~ December 21, 2008

neckasaurus 

a person who just loves to neck on.
bazza: i was necking on with that lass over there
gazza: mate, stop being such a neckasaurus.
neckasaurus by tonkles August 18, 2015

neckfast 

I woke up thus morning to some nice neckfast.
neckfast by Blac Doc March 11, 2015
Yearly event to praise Nickless the dickless for his pickleness.
Dec.1- 3
tom "got any plans?"
bob " gonna get pussy on Nickmass, boiiiiiiiii"
The holiday at the start of December, celebrating the joys of life by making fun of nick . Nick carols are shared and Nicktoras boxes are exchanged (we all celebrate the greatness of our life, since we are not nick)
Happy Nickmas everyone.
Nickmas by The Golden November 30, 2017
More from Urban Dictionary
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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