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Wack-a-Mole 

It's a fucking mini-game in which you wack moles. IT'S NOT ABOUT SEX!!
Person 1: Hey, want to play Wack-a-Mole?
Person 2: Sounds kinky. ;)
Person 1: The fuck you mean?
Wack-a-Mole by bruhthisismyhandle August 19, 2021

Wack-A-Mole 

When you're having rough anal sex to the point the person prolapses and you then attempt to beat it back in with your penis or dildo.
Jennifer prolapsed after a long anal pounding so Scott had to play a round of Wack-A-Mole.
Wack-A-Mole by BlackMaj0r June 16, 2017

wack-a-mole 

1. Hitting someone or something in the head
2. A game where you hit objects tha come out of a hole in the head with a hammer
This term was created in Springfield, Kentucky in 2022. It is called "wack-a-mole" because you or an object are hitting someone or something in the head.
He wack-a-moled me in the head!
He was going to wack-a-mole the man for not doing the right thing.
wack-a-mole by Microboy2 May 21, 2022

Wack a mole sex 

The act of inserting baby squirrels into your girlfriends butt while having vigorous sex to which the scrotum "wacks" the squirrel back into the butt when trying to escape.
Me and my girlfriend bought some squirrels so we can have Wack A Mole Sex.
Wack a mole sex by Omega1086 June 15, 2017

Wack-a-mole effect 

When you are studying for an exam and as soon as moving on to the next definition/topic you're studying, you forget the prior thing that you just learned/memorized. Analogous to playing the arcade game "wack-a-mole"--once you hit one mole, another pops up.
When I was studying for my archaeology test I finally memorized the information for Tenochtitlan, but then forgot all the information I learned for Machu Picchu. The wack-a-mole effect failed me again.

Wacka-mole 

When 3 women line up naked doggy-style and one man from behind takes a but plug out of one women’s anus and spits it to another anus and so down the line.
Hey ethan wanna come wacka-mole me beth and courtney?
Wacka-mole by Nudeish February 27, 2022
More from Urban Dictionary
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
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
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