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Physics&Chemistry: An abbreviation for density,
Biochemist: What is the bacteria's secretion density.
Analyser: D or d: 1.934g/cm^3 ( 1.117 oz/in^3)
D or d by Sodium + Tellurium July 29, 2021

D and D or D&D 

Term often used on cyberspace especially craigslist to denote Drugs and Disease free while seeking a partner
D and D or D&D by Prncezz July 19, 2006

Dirty D Or Die 

Common phrase used by students at Delaware Hayes High School referring to the city of Delaware, Ohio (the Dirty D). The Dirty D phrase, being a term of endearment for most Delaware Hayes Students, has been synonymus with the phrase Dirty D or Die, meaning the life long devotion to the city and school.
Dude, going to the Hayes game tonight?

Damn right I am, Dirty D or Die!

Aw yeah! DDOD!
Dirty D Or Die by DDOD4LYFE December 1, 2011

Sympathy d'or 

The type of ballon d'or which Penaldo fans and Bayern munich fans want Lewandowski to win in 2021 because ballon d'or was cancelled in 2020.
Lewandisney deserves the sympathy d'or not ballon d'or.
Sympathy d'or by LM0710 October 6, 2021

Dubai d'or 

An annual award created by some football players and agents to crown themselves best after failing to win legit awards. It's usually given in Dubai
Fan 1: Penaldo just crowned himself the winner of the Dubai d'or yet again
Fan 2: Yes the Dubai d'or awards player of the century with 80 more years to go
Dubai d'or by Wikimann January 3, 2021

Ballon d'Or

FIFA Best player of the year award
He is the best player in the world.
He won Ballon d'Or.
Ballon d'Or by Matejix August 22, 2016
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
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