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coefficient 

A number or symbol multiplied with a variable or an unknown quantity in an algebraic term. For example, 4 is the coefficient in the term 4x, and x is the coefficient in x(a + b). A numerical measure of a physical or chemical property that is constant for a system under specified conditions.
coefficient
coefficient by Game mode 0 January 20, 2017
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Coefficient 

when two indviduals are found to be equaly good at acomplishing the same task
Bob and Ray were working on a presentaion for their boss, when asked how he liked it, their boss replied "I found Bob and Rays presention informative they are coefficient"
Coefficient by DUDE 418 May 6, 2010

coefficient of manliness 

It is a coefficient calculated by dividing your " penis length" by your height and then multiply the result by 100. (MaN=(penis length/height)*100).We measure it in cm and the final result will show us the percentage , how much of your body height is your glory.
What's your manliness coefficient?
I've got higher coefficient of manliness than you
What is your boyfriend's coefficient?

Coefficient of Banter 

The general measure of banter in a given area/group/place/person/galaxy/cheese.
"Hey guys look at me swim in this pool of custard!!!"

"That's a high Coefficient of Banter!"
Coefficient of Banter by DRAGON February 13, 2013

Coefficient of Shit 

The amount of pure shit something is composed of, this can be real or metaphorical shit. The largest coefficient every recorded was .89 by a Tuna but that record has recently been broken and is now 1.5, proving everything we thought we knew about percentages to be a lie.
"Yo mang, that gurl ain't nearly as cool as we thought she was"
"Yeah, her coefficient of shit must be around a .9"
Coefficient of Shit by Jujx September 26, 2012

Coefficient of Mong 

To find the Coefficient of Mong, one must first tire oneself out with a really fucking boring day.
Engineering students, or other students with a high study workload will experience this.
(After a long day of study), The Coefficient of mong is High.

banana mileage coefficient

coefficient representing the ratio of the number of times the word "banana" is spoken to distance traveled in a day, expressed in miles.
Proposed for physics and mathematics by Sean "Day9" Plott.
"There are many utterly useless coefficients in physics, like the "Banana Mileage Coefficient", which is useful for absolutely nothing, except wild rabbit trails.
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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