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1. Noun: A Yo-bro is a west coast white boy who is prone to wearing flip-flops and beat-up cargo shorts or board shorts. He carefully dishevels his hair, hangs out the window or balcony of his apartment with cheap beer in his hand, and tends to yell out "yo, bro!" to a fellow bro. These guys tend to be college age, but not necessarily college bound or they are in college but not necessarily in class. But beware, many tend to turn around and join corporate America and then rape you in the ass when they commit white collar crime. Many can be observed in the vacinities of Isla Vista, San Diego, Santa Clara, or Chico State.
Non bro 1 (usually a minority): "Hey man, you livin at the HU house next year?
Non bro 2: Naw, fuck that. I'm moving in with some Yo-bro's. They always got beer and drunk white sluts over.
Yo-bro by ear to the grindstone February 20, 2008
a person who is a friend who you cannot have legititmate conversations with
John:yo bro whats goin on
Sam:nm see you later

Jaleel:hey whats up
(jaleel's aquantiance from social studies)Martin:nm man school sucks
yo bro by extenzerocks October 12, 2009
A Skype call between any group of friends (usually a trio)
Do you want to Yo Bro at 6?
Yo bro by Claire🌙 December 5, 2018
A term used for Italian americans who try to act like that guy from "Growing up Gotti". Often, these "yo bros" can be recognized by their spiked hair, orange skin, and nextels.
Yo Bro: "Yo bro hit me up on my nextel so we can watch the Sopranos later"
yo bro by Kinz-a-dizzle August 27, 2006
yo bro by ThatPitDroid June 25, 2022

Yo bro is that a Sony? 

Usually at night or when in a dark room, when seeing a floating tv you shouldn't worry about it being your Grandma haunting you after spreading her ashes at the local goodwill but instead it's your goddamn nigerian neighbor named Larry "borrowing" his white friend's new tv for the third time this week.
You *sees a floating tv in the dark*
You YO BRO IS THAT A SONY?
Yo bro is that a Sony? by BOBminer321 November 19, 2020

i aint yo bro 

something yo dad saying when you call him “Bro”, “Slime”, “Right Hand Man” etc.
i aint yo bro by ClownJuice April 27, 2022
More from Urban Dictionary

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."
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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
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