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When saying this phrase make sure you have either a shotgun or exploding device in your hand before using it on someone who doesn't expect it.
(Playing Call of Duty Modern Warfare 2)
IndianaPWNS-(Has RPG in hand) ooo Sup BRO

KillerInstinct-(C4)dude I just sup broed that guy
Mr. Bubbles-(Spas12 turns the corner) SUPPPPPPPPP BUHBUHBHUBUHBROOOOOOOOOOOOOOOO
Sup Bro by Nareik Kciradorb April 2, 2010
N. Someone like a surfer or cocky person who likes to start sentences with Sup bro? (whats going on brother) so often it's ridiculous
N. THe male version of a valley girl
kate: oh my don't pop your collar what are you some frat boy sup bro ?
zach: your an ass
sup bro by PB SLAPPER June 26, 2010
The phrase one says when approaching a bro, usually used when the elbow is raised high sloping down to a hand giving a high five from one bro to another
"Sup Bro!"
Sup Bro by Master.Yeezy April 8, 2017
When you meet someone and you want to greet them properly
Random guy: “do do dooooo” You: Sup bro
Sup bro by MarioMax12345 April 15, 2022

sup-bro mentality

The mind state of a serious bro. You have got to be thinking about the swell, hanging out with top mints, longboarding, greeting others with "sup bro?", noticing your best bro's tan, and find yourself most attractive with your shirt off.
We were boarding down Hall when all of a sudden SC's sector9 split and he started freaking out. I told him to bring back the sup-bro mentality and things went back to being chill.
sup-bro mentality by tOmbrOchill March 24, 2008

what’s up brother 

what’s up brother, often used with a “☝️” afterwards is a secret gang saying with “☝️” being a gang sign
“what’s up brother ☝️, when are we robbing this bitch?”
what’s up brother by R.odeo March 31, 2024
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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
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