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John Lithgow Disease 

noun: the unfortunate condition suffered by persons whose every utterance sounds sarcastic, supercilious, or condescending
It was a compliment to say "I like your dress," it just didn't come out that way because I have John Lithgow Disease.
John Lithgow Disease by Ursula Bent February 3, 2013

John Linnell

Sexy middle-aged accordion player for They Might Be Giants with really cool hair.
lawl, i luv john linnell.
John Linnell by TaraTheGianthead February 15, 2006

john lindsey

A famous 21st Century writer, populaized by such works as "Sergei The Searcher" and "The Violent Bob Saga." Is often seen weaving decrative baskets...
I wanna wanna wanna be... John Lindsey!
john lindsey by Axemaster The Fierce February 10, 2005

John Lizzard 

A name for a angry Lizard who just wants to make your day a living hell
John Lizzard by Iamveryannoying November 4, 2020

John Lifeguard 

A famous lifeguard out of Long Island, NY. Due to his time in service, he invented the notorious lifeguard skip, used by lifeguards all around the world as a more effective method to perform a rescue.
-"Have you heard about the famous lifeguard John Lifeguard?"
-"Yeah man, that dude was rad. The lifeguard skip is so fast."
An adjective that describes massive f**king betrayal or sellout of either an individual or a whole community, especially of someone’s own race. The origin comes from New York Senator John Liu’s 2025 unethical decision to allow billionaires build a luxury casino in his own Chinese district claiming “Chinese people love gambling,” in Flushing, NY. Since then, all the Chinese grandmas on the street have been since calling him national traitor who wants to bury the futures of the people-of-color working families.
Yo why did you sell me out like that, bro?? That was so motherf**king John Liu of you.
John Liu by Woaifalasheng October 10, 2025
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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