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It's the same like bruh.
*You made a mistake or something*
then you say "bainz"
Related Words
Baizuo(白左,White Leftists)is a popular Mainland Chinese term coined for a specific subset of Westerners who are despised by most Chinese for their pretentiousness, hypocritical behavior and an overbearing sense of entitlement.

Baizuos are mostly characterized by their heavy use of political correctness and double standards to covertly advance their own material or emotional interests at the expense of others, while claiming otherwise from a self-assumed superior moral position. Some are truly non-malicious, but are too naive or lack the worldview to provide useful opinions or solutions to real societal problems.

Since most of these group is white (白)and left-(liberal) leaning(左), and thus the name.
Chinese guy: "Oh look, those Baizuos over at America are blaming us for not accepting their trash after our recent foreign garbage import ban. Don't these fuckers ever understand they are responsible for cleaning their own shit instead of blame pushing all day long?
Baizuo by Fap. April 28, 2019
noun, The region that includes the balls, the taint and the anus.
Josh kicked Drew in the baintus and Drew puked blood.
baintus by Blackpool Lights November 5, 2006
A remark popularised in Glasgow made to describe an experience or an object, from which significant enjoyment, and a general feeling of satisfaction, is derived.
Describing an experience or situation

“Double music this afternoon, that’s baining bro”

or, when describing an object

“Nfn lit tea, fortnite n a baining wee ginger cake to cheer is up after a shite day sc snap is"
Baining by TheRealFaZeJarvis June 18, 2019

Dr. Bains 

A being of superiority, not quite human, but not all machine. Usually a brown man with a british accent and a PHD in mindblowing and a master's degree in wooing.
Sometimes possesses powers of growing webbed feet and flying.
Bains: Hello, I am Dr. Bains (english accent)
Hot slut: ooooooh, a doctor?
Bains: yes
(bone)
Dr. Bains by metrosexualbastard August 24, 2006
Something that's pretty sweet or cool.
It's pretty binzo that we don't do any work in this class.
Binzo by Truesdellin March 16, 2011
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."
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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