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A medical condition in which one has a stiff neck and a limp dick.
You think Mikey has a real neck problem, or it is just a bad case of reversio?
Reversio by Superslick January 22, 2013

Mega ultra shit thot g4y with lesbian no reversing 

literally DESTROYS you're opponent, whose the hoe now?
Bob: hey jeff ur mom mega gay
Jeff: no u
Bob: reverse card
Jeff: Mega ultra shit thot g4y with lesbian no reversing
Bob: *fucking turns into ashes and will never ever be seen again*

sky-reversing

A Chinese Internet slang equivalent to "逆天",which means literally "make the sky upside down",it is simply used in describing a person or a thing which is extremely absurd and unacceptable,as if they have the power to reverse the sky.
Why you just licked her feet and barked like a dog?You are so sky-reversing!
sky-reversing by Gaoz August 6, 2023

Reversing Mirror 

1. n. A term when in an argument, and you are reversing everything the other person is saying in an attempt to get them to fault in their own argument. You are also probably holding up a mirror in front of your face towards the other person to emphasize this. (It works well in some arguments.)

2. n. A certain mystical item used to reverse the effects of other certain mystical items used by the opponent. Such as, if one used the Serpent's Tail and become ghost-like when passing through walls and such, the reversing mirror would reverse this, and the person will be solid. A ghost that uses this, will become solid as well.

3. n. A mirror that you would want to break, because instead of 7 years of bad luck, it'll give you 7 years of good luck.
1.

Woman: Why must you always do this, that and this other thing that you always do!
Man *holding a mirror*: Why must you always do this, that, and this other thing that you always do!
Woman: *cue frustration, and storming off*

2.
Fighter 1: *goes into give a punch in the face*
Fighter 2: *uses the Reversing Mirror, opponent punches self in the face.*

3.
Dojo: Hah! You broke a mirror! Now you'll have 7 years of bad luck! IN YOUR FACE! 8D
Wuya: Actually, since it's the reversing mirror, I'll have 7 years of good luck. |)
Dojo: o-o, *runs*
Reversing Mirror by TanorFaux December 27, 2011
When she sucks on your fingers like its your cock

Similar to a blowjob, but putting you into reverse gear, to get more distance for the jump

Really getting you amped and prepared, similar to dukes of hazard backing up for a really fun jump

Also when she does it at a boring event, and to go somewhere else especially when someone else is around to let them know... they might feel like the cop cars
reversing the above

reversion 

A reversed version of something, someone, or time period.
Not even a reversion could have gotten me laid last night
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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