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Butt Sunday 

Butt Sunday is where you just send a picture of your butt to every group chat you are in. It doesn’t have to be naked, it can be clothed. Just a butt pic on Butt Sunday.
Connor: Hey did you send a butt pic to the group chat yet?

Chelsea: No, why?

Connor: It’s Butt Sunday, you gotta send a butt pic in every group chat you are in.

Chelsea: I didn’t know that, I’ll get right on it!
Butt Sunday by FudgePudding715 January 21, 2024
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Butt Sex Sunday 

When you decide to blow off all responsibilities on any given sunday including work or going home if you've been out of town partying all weekend. Very popular term used in the rugby community. Should always involve hanging out with members of the opposite sex and is even better when you actually have butt sex with one of them.
Skip: Well, should we head back to the twin cities, I have to work later.

Joe: Screw that, we're in Chi-town, it's Butt Sex Sunday, all day long.
Butt Sex Sunday by bretty b December 13, 2009

Butt Plug Sundae 

When you let a turd out but your arse is so fat that it gets stuck between the butt cheeks and won't budge.
Sarah: oh Mark, I've just delivered a butt plug sundae
Mark: shall I reach in and scoop it out?
Butt Plug Sundae by MMJK November 5, 2019
More from Urban Dictionary

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
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
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