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An educational Nintendo DS game developed by a Japanese doctor named Ryuta Kawashima. It has various daily training programs that help you 'train your brain' and tips to improve your brain capacity. You can also take the 'Brain Age Test' which tells you how active you are of a thinker, 20 being ideal and 80 being the worst. Ryuta is the host in the form of a virtual floating head on the side screen, and is known to refrence the 'prefrontal cortex' quite a bit.
Brain Age:


Ryuta- Now here's a fun brain tip! Simulating daily routines can help activate your prefrontal cortex!
Brain Age by Aspirations January 11, 2009
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Brainage 

(Bray-Nidge)

Meaning intelligence. Made popular by the comedy duo Lano & Woodley.
Lano- "...My wallet went down in the plane, jees, get a bit of brainage"
Brainage by Jaq_Shawty March 15, 2009

Brainage 

brain fluids inside of your brain
the brainage of Albert Einstein was blowing me away!
Brainage by IDKWOWAWESOME! July 22, 2015

Brainage 

When Everett brain is superior and answers not 1 but 2 questions right
Everett: wow I answered 2 whole questions I have brainage

Brainage 

When Anonymous persons brain is superior and answers not 1 but 2 questions right
Anonymous person: wow I answered 2 whole questions I have brainage

Brainage 

Someone speaking in a way that shows off how old they are.
The absolute brainage of Cenk Uygur when talking about how homeless people as criminals when they steal in need as opposed to celebrities who steal for fun. (Showing off how his views are warped by a high-income experience and the media's demonization of the homeless alongside his belief that high cost of living doesn't and not having a home doesn't affect people becoming homeless.)

Dame Brainage 

The obvious cerebral injury suffered by most women functioning in today's society.
How can she not understand that zero - zero means that noone is winning ? That bitch is definitely Dame Brainaged !!!
Dame Brainage by The Observationalist September 5, 2012
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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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