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YE BOIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII 

Basically, it is slang for saying "that's awesome" or "hell yeah"
Jack: Hey wanna go to McDonald's?

Bob:YE BOIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII

Boiiiiiiiiiiiiiiiiiiiiii 

A 10 - 12 year olds way of trying to sound cool and edgy but 100% of the time make a big fool out of themselves.
10 Year Old: Boiiiiiiiiiiiiiiiiiiiiii look at yo self boi

Me: lol ok

yeahhhhh boiiiiiiiii 

this is a phrase often used by Flava Flav, he is a worthless rapper that wears a clock as a necklace.
Flava Flav is in the new Bud Light commercial, and can be heard saying "yeahhhhh boiiiiiiiii."

boiiiiiiiiii 

A phrase that you use when you stink at life. or maybe when you think you were getting CODBOIII otherwise known as call of duty black ops III, but you thought you were getting call of duty BOIII.(unlikely)
boiiiiiiiiiii you so trash at forniteeeeee

Yas boiiiiiiii 

A phrase used to congratulate someone on doing something well.
Yas Gryphon Yas boiiiiiiiii
Yas boiiiiiiii by demonnotvampire November 17, 2016

biiiiiitch 

is to tell someone or something that they are a bitch when you really mean that they are a biiiitch (higher pitch on the I's and also you say it not as if it were a actual bitch)
your dog is a pure breed bitch, biiitch!!! (so in other words you are saying the biiitch to the person who is listening) biiiiiitch
biiiiiitch by cmanhattanbeefyum July 24, 2015
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

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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