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The nasty nappies 

Debra: wow this is a good song! Who is it by?
Linda:it’s by the nasty nappies! I can’t believe you have never heard of them!they are phenomenal
The nasty nappies by Rodrickismydad November 30, 2021

Fuck Nappies 

The level of genital protection when visiting a hooker in a third world country. Usually consisting of three condoms on the penis and several layers of cling film around the crotch area "just in case" resulting in a nappy shaped protective barrier.
Dean: Yeah boy! We gonna go down to Bangkok and fuck ourselves some katoey hookers tonight!

Nico: Man we better get our fuck nappies on, don't want to be bringing any shit back home to the wife!

Dean: True! You get the cling film, I'll get the condoms.
Fuck Nappies by fucknappee January 22, 2011

Hard nappies

Aussie slang for solid shit

Something solid
Shit - anything
Wow fuck me mate, that concrete post is hard nappies (solid shit)
Hard nappies by Adsydoowezlah November 21, 2021
Erect, frim or pert nipples on a female breast. Denotes a fun, playful and often youthful quality to the nipples.
Kelly and Jennifer were gigling girlishly after gym class as their pert nippies accidently brushed against each other in the changing room.

You could see her nippies pressing against her sexy t-shirt

Jill blushed as her chilled nippies appeared.

All the guys talked about her hot nippies.
nippies by titties and cake September 10, 2004

richie nippies 

Expensive as fuck nipples that you achieve after you get top surgery. Used by a youtuber called 'Storm Ryan.' Top surgery is for ftm transexuals who wish to get their breasts removed.
Bryan: So you got those scars from top surgery?

Ryan: Yeah, but I also got my richie nippies.
When some is being soft af like a kleenex napkin
You're being such a nappie bro
Nappie by Chraalin July 26, 2017
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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