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black-holing 

Where you start to get depressed and your emotions are trapped never being able to escape. you become anti-social, give simple answers and don't respond often. You might even have bipolar disease.
That guy is definitely black-holing. He doesn't show emotion and barely speaks
black-holing by :Empty( February 26, 2017

Blackholing 

When a penis gets stuck in a vagina during coital interactions, as if the penis got vacuumed by a Hoover Dirt Devil.
Julie was notorious for blackholing her victims into submission.
Blackholing by Nicholas Kumar December 6, 2011

Holding back the flood 

Where a man delays himself from cumming so that he can last longer for his sexual partner
Partner: Sam your taking a while to cum
Sam: Dont worry love I'm just holding back the flood for you

holding back 

having and withholding
"what? you had that lingerie and you were holding back on it?"
holding back by holding back pro January 30, 2012

Blackholing 

Dropping all forms of communication with someone you can't stand.Usually done without prior warning.
In networking, black holes refer to places in the network where incoming traffic is silently discarded (or "dropped"), without informing the source that the data did not reach its intended recipient so...
Dude 1 : Dude I don't know whats wrong with my girlfriend, she refuses to see me, she won't take my calls and she unfriended me on facebook as well!

Dude 2 : Dude, she's blackholing you.
Blackholing by kbirinder January 13, 2011

blackholing 

A game commonly played in college and the military where participants try to get their opponent to look directly at their asshole.

Typically, a participant will try to surprise their opponent by hiding somewhere bent over with their ass cheeks spread. When the person walks into the unsuspecting place he/she is overwhelmed by the sight of the orifice.
Our blackholing game is on this month! I'm up 4-2. I blackholed Jim real good when he walked into his dorm last night. I was standing on his desk bent over and he nearly collapsed when he turned the light on.
blackholing by iwasjoe December 31, 2012
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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