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That-Day 

The first day of every spring when the winter weather parts and the first hint of warmth brings people outdoors in droves. The people, whom you've curiously never seen before had effectively been in hibernation and their emergence triples the population of your town, city, college, etc. Sun on That-Day is key. Activities often include frisbee, hacky-sac and basking in the sun. The effects of That-Day are most evident on college campuses.
Hey, I think it's That-Day today! Cool, let's skip class and play frisbee!
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That Day 

In colder climates, That Day is the first day where the girls break out the short-shorts and tank tops and show that skin that has been in hiding all winter.

That Day is a very celebrated day on college campuses.

On That Day eye candy abounds.

The exact date of That Day varies from year to year and from place to place. It usually falls in the months of March or April.
It was That Day today and I could hardly believe how many hotties were out in the park.
That Day by TrapperGolds April 12, 2008

And not a single fuck was given that day 

Usually said after a fairly useless comment, showing that you simply do not care. A nice change of insults synonymous to "I don't give a fuck"
And not a single fuck was given that day

That Fateful Day 

A day that is fateful and makes you cry inside. Can be getting embarrased, getting busted, having somebody find out something they shouldn't know, or something else. Repracussions can include suspensions or even losses of friendships, loss of facebook quotes, and other things. Effects of fateful days can be felt even months after they occur.
Zach - dude can you put more of my quotes on facebook

Oscar - not after that fateful day

Zach - But its been more tha a year

Oscar - ah
That Fateful Day by Gerald92 January 7, 2010

That Sucks Day 

April 15: The shittiest day in April AKA Tax Day AKA The due date to file your taxes.

The day where hundreds of thousands of procrastinators form miles-long lines to the post office at 11:50PM on April 15 because they waited until the last minute to file their taxes. (Even though you get 4 months to do so)

To add to the suckiness of this day, it is also the anniversary of Abraham Lincoln's assassination and the sinking of the Titanic.
That Sucks Day is basically an American tradition/holiday in itself

To celebrate That Sucks Day, it is fitting to go to your local post office and laugh at the idiots waiting in line five minutes before midnight because you filed your taxes months ago
That Sucks Day by WackyJack April 30, 2011

National fuck everything that walks day 

On the day of April 12th, it's National fuck everything that walks day. Taken or not, be prepared to be fucked or get fucking.
"Alright class, today is National fuck everything that walks day, time to do your laps".

That Fateful Day In 2016 

This refers to a time period, circa 2016, in which Jamie 'Stinky' Bridges was casually playing a Lava Parkour on famous battle royale game 'Fortnite'.

He then put the mic right up to his arsehole and went to rip an absolute belter of a fart but instead met with a reeky stench. Upon inspection, he further concluded that he has shat his jocks.
Person 1: "I'm struggling to chase the ball right now."

Person 2: "Just like Jamie Bridges is struggling to chase the guilt away from that fateful day in 2016 when he stank the gaff out"
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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