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The sound of your brain collapsing when something too confusing or too mind blowingly awesome is said to you. If your brain was a building, kathunk would be this building suddenly falling to shambles. Beware! Many never recover.
Shannon: The reason Einstein postulates that an objects length can change with its speed is due to its rotation in the 4 dimensional space time continuum. Any thoughts?

Sarah:...Kathunk.

Shannon: Hmm.

or

Sarah: Shannon! A wild goat just kicked Santi in the nads!

Shannon:Kathunk!

Sarah: I know, right?
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1. Noun: The sound created by human shit hitting the water in a toilet. Often as a direct result of how large the log was and how deep the bowl is.

2. Verb: The action that brests perform when a topless female is getting fucked missionary.
1. Man, I had to hang on with both hands to try and and squelch that last kathunk.

2. I felt like I was going to break that bitches nose, you see how those things were kathunking her head?
kathunk by Sumobot March 28, 2009

kachunkerchunker 

Someone who makes a stupid mistake that will cost them. Basicly another word for stupid.
during a game of poker :P

jolliffe "i fold"
cleary "raise 10'000"
jolliffe "you loose! you kachunkerchunker!"
kachunkerchunker by gingeeeeee January 19, 2009
The sound made whilst a shark is kicking open the front door of a residence.
"I fear both sharks, and home invasion. Thusly, I ran when I heard 'kashunk.'"

Kathinka 

Kathinka (russian: Катенька) wise, beautiful and proud woman (or terror)

Kathinkas are easy to define. When you see her, she blends you with her awesomeness and witty remarks. She's easy to spot as she is all over the place, having some form of comunication with every person in the room, being in language, squeeky noises or sexy body language.

She's funny, sporty and love both sexes, no descrimination! She loves attention, and gets fiesty if she doesn't get it! She lure you in her web of love and enchantment, but be aware; she'll drop you like a month old sandwitch if you don't please her!
Is that Kathinka?
DUH, ofcourse it is, look at her!
Oh man, you're right!
Kathinka by Kathinka-lover May 16, 2011

kachunka 

Ka-chun-ka
a onomatopoeia word describing the sound of multiple element sounds occurring at once to give a chaotic, yet recognizable combined sound.
I pressed the stapler against the papers, went kachunka they were stapled together.
kachunka by QZX August 20, 2013
a word used to describe anything and everything. Can be used as a noun, verb, adjective
did you go to the party on Saturday?
yeah it was kachunking lit!
kaChunk by _kodakwhite_ June 13, 2017
More from Urban Dictionary

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
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
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