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S’well 

A contraction meaning “So well”; directly opposing “Swell”

Usually used in a ironic or sarcastic tone.
Joe: Hey, hows it going?
Candice: Oh, s’well.

That's well plastic

The word plastic replaces the word 'cool'. It is said when one says goodbye and wishes the person to take care. used in nathan barley.
Rufus Onslatt: hollers Dan Ashcroft! "The Rise of the Idiots". Awesome fuckin' opinions, dude.
Ned Smanks: Yeah, that's well plastic.
Rufus Onslatt: Laterz, dude.
Ned Smanks: Keep it foolish.

That's Well Harsh 

Declaration of the negative effect of such event.
Look, James hit Richard!
That's Well Harsh
That's Well Harsh by flobbbadoy January 20, 2009

Frog's well fallacy 

A frog's well is a common form of argument and is an informal fallacy. It's a common fallacy, where a broad generalized claim is made on the pretext of a small geographical area, ignoring the rest of the globe. One who engages in this fallacy is said to be "digging frog's well".
Statements like, "You know what! Sanskrit is the mother of all languages." are considered frog's well fallacy. The one who is making this kind of fallacious arguments, is digging frog's well.
Frog's well fallacy by rationalanarya February 11, 2018

Man's well

He was acting like a man's well for the whole meeting.
Man's well by BlackwhipperGerald November 3, 2021

Farmer's well 

A synonym for the proverbial rabbit hole .
A farmer's well should also have yet another acronym: fauci tube
Farmer's well by Uncle Dimma January 11, 2022
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
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
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