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A synonym for doing something extremely fast.
Person 1: Man this shit is taking forever to do!
Person 2: Dude no way, I finished that last night in 2.3!
2.3 by dickmasterflex September 21, 2010
Measurement pertaining to the penis being 2/3 of a foot or eight inches long.
I am in the 2/3 club because my dick is 8 inches
2/3 by Qbano November 5, 2007
A '2.3' (aka. "Two point three") is your typical middle-class white 30/40-something year old trophy wife who's entire life revolves around her social image, her children, and driving her over-sized shiny new 4x4 through crowded suburban streets.
Also used to refer to the family unit that middle-class Australia fell into in the late nineties, when the average number of children per family was 2.3. These families are excessively affluent, social-status obsessed, and are usually seen in the suburbs of the inner-eastern region of Melbourne, Australia (such as 'Toorak', 'Camberwell', 'Glen Eira', 'South Yarra', 'Kooyong',etc). Vehicles driven by the female of these families are sometimes known as 'Toorak Tractors', referring to the 4x4/4WD 'tractors' that never see a spec of dust on them, and are used solely for transporting 2.3 children around the suburbs. No practicality is attributed to the use of these vehicles, as they aren't that much safer than your average family-sized stationwagon.
"Bloody 2.3's, I wish they'd stop driving those toorak tractors around the neighbourhood."
2.3 by NrKy_rox October 26, 2006
This is the outcome of the Grade Point Average (GPA) of Gibran Rakabuming Raka, who is the vice-presidential candidate number two in Indonesia. This GPA is considered inadequate when evaluated against the employment entry requirements in Indonesia. In reality, to be employed in Indonesia, a minimum GPA of 3.0 is required.
Yoman: "hey, whats the latest version program for free lunch in this app right now?"
Yimon: "its 2.3"
Yoman: "oh no."
Yimon: "Oh shit-"
Yoman: "you going to be in jail. good luck"
2.3 by FieryFireFlameWave February 28, 2024

2.3 trillion dollars 

A government agency misplacing a large sum of money and then the next day the getting attacked.
On September 10, 2001 the pentagon announced that they couldn’t account for 2.3 trillion dollars and lost it. The next day well you know what happened.

2.3 kids 

The magic number for a suburban couple to raise their perfect family
Karen: Sweetie if we want true happiness in suburbia, we need 2.3 kids
2.3 kids by bodilicious June 15, 2016
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

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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