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Brotosterone 

Male euphoria during athletic occasions
The men's volleyball team shows a lot of brotosterone after their win with the hugs and high fives.
Brotosterone by JOLYJUNGLE August 10, 2012

Brothology

The collection of the stories of Brometheus, Broseidon, Bropollo, and the many other gods of Brothology. Can be used in Phrat houses to teach pledges. All should live by the code of Brothology.
Brian- I majored in engineering, but minored in Brothology. All praise Broseidon!
James- All praise Broseidon!
Brothology by 2 Guys 1 Canoe June 28, 2013

brothole 

the apartment or dorm of a college chick
that smells like mad perfume, sex, and female nastiness.
slutty clothes all over the floor are also an indication that you are in a brothole

basically a brothel except the sluts that live there dont get paid
"dude your girls apartment smells like she was taking a whore bath all day"

"yeah man its a total brothole there"
brothole by anonymous66789 January 6, 2009
a slang for "bro" which is already a slang for "brother".
guy 1: "Who took this awesome pic yo?"

guy 2:"idk....Some awesome brothondo from Modesto!"
brothondo by ryken August 25, 2009

Brotrosity 

When you do something terrible to your friend.
Dude, you nailed my girlfriend, you committed a brotrosity, our bromance is over.
Brotrosity by Alix McQ January 12, 2009

brothority 

The authority of all bros. Although this person is "the authority" he is still super chill and usually welcomes worthy outsiders into his circle of bros. This term was introduced in the south park episode "Broadway Bro Down," which originally aired 10/26/11. The term was used by randy marsh participating in a bro fight with Stephen Schwartz who then replies saying that his famous musicals clearly make him the brothority.
"What makes you the brothority brah?"

"Westside Story brah!"
brothority by TheChillbro October 26, 2011
More from Urban Dictionary
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

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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