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Wisconsin Windshield Wiper 

to have sex doggystyle and pull out, cum all over the girls back and spread it all over back and forth

windshield wiper fluid 

i eat it? i i drink burger king fryer oil? i nuke ocean again? (heck you, seawonks). i execute local general with aa gun? am i the kid from up? i will now commit engulf burger.
-lil' kim (jong un), whilst enjoying some windshield wiper fluid.
windshield wiper fluid by a handicap. September 7, 2022

Reverse Windshield Wiper 

A man positions his ass over a girl's face and titty-fucks her while she is sticking her tongue out, thus cleansing the anus.
The reverse windshield wiper is a fun way to get rid of dingleberries.

Winchester Windshield Wiper

The act of taking a big ol' nasty poo poo all over a girls face, soon after, using your penis to wipe her face clean using a "windshield wiper" motion.
Girl: Will you give me a Winchester Windshield Wiper?

Dude: Fuck yeah!!

Windshield Wiper 

the act of a women giving such a deep blowjob while glazing her toungue across your balls as her mouth is all the way to the pelvis bone. The toungue acts as windshield wiper to your balls.
This broad was givin me the ol' "windshield wiper" while I was watching the Sox game.
Windshield Wiper by Ryan Zedonks August 4, 2007

Persian Windshield Wiper 

The Persian Windshield Wiper is when you ejaculate on a woman's (or if you prefer man's) face. Directly afterwords grab the shaft of your penis and flip it back and forth across her face like a windshield wiper hard enough to get the cum off, but not hard enough to break her nose.
"After I came on that bitches face, she started to complain, so I grabbed my cock and gave her a Persian Windshield Wiper"
More from Urban Dictionary
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
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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