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Brotionary 

A term describing a book that contains all and every word(s) that a true "bro" is expected to know. There are few brotionaries out at the moment but more and better ones will be made in the future. The brotionary is not done in alphebetical order, but by importance of word.
Joe: hey what's up bro?

Steve: not much bro, just reading up on my new brotionary.

Joe: holy shit you don't know all terms already?

(Joe then proceeds to cut off all contact with Steve until further notice).
Brotionary by Chief11 January 24, 2010
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brobationary period 

(n.) the time roughly between high school and college where women try to attract (bait) bros
Kevin: "So I hear Rachel has actually started dating people with unique personalities and control over their alcohol consumption."
Joe: "Yeah, her brobationary period ended this summer."
brobationary period by fuckityow December 9, 2008

Urban Erotionary 

The strange phenomenon of erotic / erotically tinted words found almost always in the linked words block above almost every definition on Urban Dictionary.
Dude, I was just looking up Dick Cheney on UD, and I saw the word ''penis'' in the linked words section above the first definition.

OOh, the Urban Erotionary problem.

Burban bictionary 

Why did you look up burban bictionary, I was bored
Burban bictionary by anonymous March 29, 2021

Brocationary

A best friend archetype who is always positively charged like a cation—energetic, reactive, and oddly upbeat—while simultaneously behaving like a walking dictionary, constantly explaining, defining, and labeling everything around them even in chaotic or dangerous situations.
A Brocationary turns life into live commentary, translating emotions, events, and even disasters into “entries” of understanding, often while remaining carefree and unintentionally humorous.
“We were literally being chased through collapsing ruins, and my Brocationary still stopped to say ‘collapse: structural failure due to excessive villain aura’.”
Brocationary by Laze Mythic May 30, 2026
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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