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used when you agree with something someone says, or just a polite friendly hello or wassup.
Katie: hey!!!
Laura: KADOO.

OR

Margaret: omg thats so huge.
Jenny: kadoo.
kadoo by crazygirls124566777 July 9, 2009
Words you can keep
Kadoo. One of the most versatile words in contemporary English language. Thought to have originated in Colorado, USA amongst members of the fabled "Kadoo Krew", the word is used to indicate accordance.

It has been estimated that Kadoo has been the root of tens of thousands of new, exciting expressions. Modern linguists often cite Kadoo as an example of an unclassifiable language particle; however, while stressing its cryptic and mythical origins, experts almost universally agree that Kadoo is one of the most effective tools of self-expression in the history of mankind.

note: "Kadoo" is the American spelling. Global variations have been recorded, including the Quebecois "Kadeut", and the French "Kadeux".
"Kadoo to you!"

1: "How ya kadooin'?"
2: "Kadooin' just fine!"

"Kadoo."

"Kadon't touch me!"

1: "Kadjoo please hand me those papers?"
2: "Kadoo."

(Quebec) 1: "Wanna go play some hockey?"
2: "Kadeut!"
Kadoo by GoodSir69 September 29, 2012
Related Words

Doosh-Kadoo! 

Polish term used by people who dont speak polish who think its actualy a polish word.
Polish Guy: ajshhjsjjsjpoland?
Guy: DOOSH-KADOO!!??!?!
Doosh-Kadoo! by BobSaget12 January 1, 2009

kadoonka 

The sound a turd makes when it hits the water. Usually followed by the splash back of water into the anus.
Naval officer 1 : "I think North Korea just tested another long range ballistic missile!"
Naval officer 2 : "Nah that was just Freddy dropping a kadoonka off the port bow."
kadoonka by GozUnlimited July 3, 2016
using a dick or dildo and pushing it through multiple women's boobs kabobbing them
Friend: wow I got my first boobjob i'm so proud

Me: well I just kaboobed your mom and sister last night

Friend: I don't have a sister...
Kaboob by skech-a-doodle August 8, 2019
A word used to describe a pivotal moment of success. Also means awesome, cool, epic.

Definition #1
A word used to describe a breakthrough moment of success.

Definition #2
A loud exclamation of triumph.

Definition #3
The name of a popular cartoon character.
Kaboomski — it’s a boy!
I just won the lottery — Kaboomski!
Kaboomski, now I can go on vacation.

“Kaboomski”, it’s not as universal as the word “fuck” but it’s less vulgar and more euphoric. What the Kaboomski? You be the judge.
Kaboomski by Kaboomski May 8, 2017
A loud commotion, party or event. A big fuss. From Barbadian dialect.
Her wedding party turned into a big kadooment.
kadooment by Sue Feuer May 2, 2006
More from Urban Dictionary
West Midlands slang word for rockers, bikers, greasers etc. In the late 1980s it was used by the UK music press to refer to a specific scene centered around the bands Pop Will Eat Itself and Crazyhead. The term never found favour with readers of 'the inkies' (Sounds, Melody Maker and the still extant NME) and was soon dropped. Now often used in predominantly working-class areas of the midlands and the north to mean someone who listens to rock-derived music and/or dresses in a manner that suggests they affiliate themselves with rock music of some kind.
Some grebo passed with Sabbath playing on his stereo.
The Poppies are at no. 17? God, a grebo band in the charts!
They're playing nu-metal now, bloody grebos!
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“I reached the TikTok Farlands bro”
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mormon assault vehicle

another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
mormon assault vehicle by KVRX January 10, 2005
Word of the Day on August 22, 2026

Shakira Law 

A version of "Sharia Law" that Reform Ltd supporters tend to refer to, often by mistake.
Richard Tice of Reform now lives in Dubai, under Shakira Law, although telling Brits that we should worry about it
Shakira Law by Reformltd February 16, 2025
Word of the Day on August 21, 2026

Overstand 

To understand a topic or statement to the highest extent.
Leroy, after being told the tenth time by his sister, did overstand her idea of robbing the 7-11.
Overstand by Elf Eater March 23, 2003
Word of the Day on August 20, 2026
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