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A holiday celebrated the second Saturday of August, during which every major holiday (except for Valentines Day. F*ck Valentines Day) is celebrated in one day. Friends and family who were not able to celebrate together on the actual holiday get together to celebrate them all in one day.
On the day of Alliday, everyone arrives in Halloween costumes (which they will wear all day) for the Easter Brunch, with the house decorated with decorations representing all the holidays. Brunch is followed by prepping for the Memorial Day,fourth of July and Labor Day barbecue featuring St. Patrick's Day corned beef and Thanksgiving turkey. Everyone contributes their favorite holiday dishes and contributes to a white elephant Christmas gift exchange. The evening ends with a New Years countdown to midnight with a SINGLE firework at midnight.
Alliday by JK Shenanigans September 6, 2013
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alldaygrind 

1. To grind all day
2. A popular Youtuber - "alldaygrind"
1. "im on that alldaygrind"
2. "Have you ever seen that youtuber alldaygrind?"
Stop wait A minute fill my cup put some oj in it slide it up drink it up allieray that’s the stretch got that blonde hair black hair perfect duo got that cuteness and funnyness that’s a perfect match for a friendship
Cam:what should our team name be?
Mark:alliray of course

Cam: oh ya it means perfect duo
Alliray by Papajohnspizzaisatyourdoor September 29, 2021
A young Indie underground singer/songwriter/rapper from Australia who raps about highly relatable stuff to the rest of the world, Allday has released mix-tapes and e.p available with his latest being 'Loners are Cool'. Some say he is the Australian Mac Miller.
Hipster 1: Dude, i am so fully in to allday the rapper right now
Hipster 2: chyeah same, my favourite song is 'nearly famous'

alligaytor 

A gay alligator or someone who is not straight and likes alligators
My friend Jay is an Alligaytor because she likes alligators and she is gay.
alligaytor by Gay Potato/Alligaytor January 14, 2019
Allinay is a person who is always there for others. People will take advantage of her and she won’t ever notice. She is a nice, loving, beautiful person. She has the brightest future. She says the truth on everything. Some people secretly have a crush on her. She’s loyal to her word and friends. She will make anyone happy. She will never say no if you want to do something. She’s lonely most of the time but doesn’t mind.
“Hey, that Allinay girl is very sweet. It makes her beautiful.”
Allinay by heheheyguys April 18, 2019

Jay AllDay 

Term for a slick-ass guy that is the embodiment of all that is good and awesome.
I know that guy from Germantown, he's Jay AllDay! I would definitely give him some booty.
Jay AllDay by jay-is-a-dog March 31, 2011
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

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
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