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October 19th, It is wear a thong day, all lady’s must wear a thong and show a guy that your wearing a thong.
Guy: “Today’s thong day, show me you wearing it”
Girl: “Ok hear you go”

(Shows guys thong)
Guy: “Ok I believe you”
(Guy licks his lips)
Girl: (whispers in ear) “ I could not be wearing one if you meet me in the bathroom in 10”
Thong Day by Rude Gernreich October 19, 2019
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national thong day 

Get her number it’s national thong day

National Have An Online Thing Day 

On April 19 you have to get your ex or crush to be your Online boyfriend/girlfriend for 1-7 days and if you catch feelings try a real relationship it doesn’t matter if your single or taken
Hey it’s National Have An Online Thing Day wanna give it a try?

No such thing as Ewan day 

Ewan day was created by someone named Ewan who spends all their time on urban dictionary but another person named Ewan will find it and they will celebrate it because they dont know a lot of things on urban dictionary are fake.
Ewan thinks national Ewan day is a thing but Gordy thinks he’s being dum
No such thing as Ewan day!

Worst Thing I've Seen All Day 

You implore this phrase in multiple applications. For example when something great has happened to you or someone else. Also used if someone does something stupid and you unfortunately had to witness it or hear about it.
Max: Yo I just found out my boy smashed Isabella, worst thing i've seen all day
Pete: Honestly, mans finally got a body

The day of three kings is a Cuban, Dominican, And Spaniard Thing (Black, White, and Hispanic): The First Juvenile Release.

What I call homo-sapiens who are addicted to perianal abscesses.
Person 1: Are you addicted to perianal abscesses?
Person 2: Yes.
Person 1: The day of three kings is a Cuban, Dominican, And Spaniard Thing (Black, White, and Hispanic): The First Juvenile Release.
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
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
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