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This AIM conversation probably sums it up better than anything else:


my friend: i was talking with this Frat Star named phil who explained a concept that i've unknowingly lived by for a while subconciously
my friend: called Bro'in
my friend: which is dumb as shit
my friend: basically just mack on all the girls around you becuase they exist and it doesn't matter if you're truly interested or not
my friend: you did it because eventually as you're pusssampling, you find the right one
me: pussssampling?
my friend: my word not his
my friend: you just try to get the girl and when she signals that she's yours, you find another girl and ruin her happiness. it works like this: :-) (you like a girl) :-D(you get a girl) :-*(you kiss the girl) :-! (you do nasty with the girl) =-O(you show the girl your "OFace"):-X(you drop seed in the girl's mouth sealing it shut) :-\(you tell the girl it's over, there's someone else) :'((the girl cries)O:-)(you shoot her with a cross bow and she goes to heaven) 8-)(you've successfully accomplished Bro'n)
Bro'in is the highest form of existence for frattastic bros
bro'in by tupacodaman October 4, 2008
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The act of getting several new girl-friends in small amount of time.
Did you hear that Kyle broke up with Heather and is dating Allie?

Damn, he must be bro-in!
bro-in by Toodles4060 June 19, 2011

bro in the dark

A bro who’s never tan, and is so white that he looks like he could glow in the dark.
“Justin needs to take his shirt off and get a tan—if he doesn’t he’ll bro in the dark.”

Bro in the Dark

When you are bro'in out and the power shuts off. This of course renders a Gamecube useless so super smash melee is impossible. This forces bros to argue over RISK strategies and often leads to accusations of dick in mouth. Bros will eventually proceed to tire, fall asleep, and wake up renewed to bro out once the power returns.
Those bros in suite B3C were totally Bro'in out when the power shut off. I heard Phil thinks starting with Australia is a poor strategy if you want first place, but Mike blames this opinion on the dick in Phil's mouth. I wish I could Bro in the Dark!
Bro in the Dark by Oznec November 4, 2008

bro-in-law

A girlfriend that is a future candidate as one of your bro's wife.
Bro, you have to respect my girlfriend. She's possibly your future bro-in-law!
bro-in-law by xx_KittyKat_xx December 23, 2011

bro'in up 

to grow up in a bro-like fashion. To be a more experienced bro
-DUDE! Look how old you are! You are all bro'd up!
-Keep it up, and you'll bro up like me.
- You're bro'in up!
bro'in up by MaxIMUM March 12, 2012

Bro in the Know 

Someone privy to the same secrets as you are; a fellow initiate.
If you're looking for good herbs, I've been out of that business for a long time. But that doesn't mean I can't help you... let me call my Bro in the Know.
More from Urban Dictionary

piddlefart

verb. To waste time doing nothing.
Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
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
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