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demonstration 

A term that lumps "political demonstration" (protest) and "showing something new that the audiences have never seen before" together within this same term. It reflects both the act of showing dissent and the act of showcasing innovations or ideas to an audience.
The tech fair was a demonstration of groundbreaking inventions, but the protests outside turned it into a political demonstration about corporate ethics.

demonstration man 

Noun: The flying 4th class in the popular team-based shooter TF2.

Demonstration of Self-Ownership 

Ok. So, let's say I don't own myself: Bring me your kid and a loaded gun... And then tell me not to shoot it in the head. If you truly own me I won't be able to pull the trigger....
Hym "Otherwise, that works as a demonstration of self-ownership."

Baker Demonstration School 

A private school in Illinois that really should be in Evanston but is in Wilmette. Most people think it's a snotty school because of the money, but it's actually full of (somewhat) nice people, despite the incredibly tiny population. A great elementary program, by the time you're in middle school you're ready to get the hell out and move on to a public high school - but you had a lot of fun in middle school despite it being...well, middle school. Overall, a really solid school.
Aw, my bad, man. Baker Demonstration School's boss.

The demonstration 

The act of To do
A yo what's the demonstration for today?
The demonstration by anonymous September 9, 2020

Law of Demonstration

The law of demonstration is a subset of Murphy’s law and works in two ways. A functioning process will not work when demonstrated, but a broken process will work perfectly. E.g. when trying to show IT an issue your computer is having, the issue will not occur.
“I was walking a colleague through a new process I created yesterday, but it just wouldn’t work. When I ran it by myself later, it was just fine!”
“Ah, you ran into the law of demonstration states”
Law of Demonstration by anonymous October 13, 2025
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
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
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