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structural poo 

an exceptionally well compacted log, long and hard enough to bridge the u-bend in the toilet. occasional specimens are of sufficient length to breach the surface of the water; all are highly resistant to flushing. A free-standing monument to an epic lavatory achievement, that may last for days.
She had closed the cubicle door and was approaching the bowl, only to recoil in shock and horror, her mouth open and eyes wide with fear. Before her, the Structural Poo reared up from the water, a mighty totem to labours passed. She could only imagine the pain endured.
structural poo by poopal March 12, 2009

structure 

Gang in new york mostly made up of some Brim Bloodz, which became "Hatz" that rappers like Jay Aston and 26AR. Most jack "EBK" (Everybody K, Everybody killer). Some other notable names are Kha Structure and Bizzy Banks.
Man you know we out here, structure gang we really on that gang shit! You know we EBK!
structure by cpja189 February 28, 2021

fine structure day 

Like Pi day, but using the fine structure constant 1/137 = 0.00729. So, the day is July 29th.
You: "Happy fine structure day"
Random Guy: "What the hell is that?!"

Narthex Structure

Of any of the bands emerging out of Ventura, Ca. punk scene in the late 80's, Narthex Structure is arguably one of the best remembered, and for good reason. If you get a chance, check them out.
I heard Narthex Structure is back together and playing the Theater this Friday night.
Narthex Structure by monkeybrew April 29, 2005

Social Structure 

Social structure, in sociology, the distinctive, stable arrangement of institutions whereby human beings in a society interact and live together. Social structure is often treated together with the concept of social change, which deals with the forces that change the social structure and the organization of society.
Social structures consist of social relationships, as well as any social institutions within a society.

pig power structure 

A blanket term for the U.S. power elite establishment coined in the 1960's by Black Panther Party leader, Bobby Seale. In Seale's own words, the pig power structure is composed of "the corporate money rich and the racist jive politicians and the lackeys, as we used to call them, for the government who perpetuates all this exploitation and racism."
The only way that the world is ever going to be free is when the youth of this country moves with every principle of human respect and with every soft spot we have in our hearts for human life, in a fashion that lets the pig power structure know that when people are racistly and fascistically attacked, the youth will put a foot in their butts and make their blood chill.
- Bobby Seale, "Seize the Time: The Story of the Black Panther Party" (1970)
pig power structure by Jim Walsh August 30, 2008
More from Urban Dictionary
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
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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