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K-day or kiloversary refers to the day when someone or something is an even multiple of 1000 days old. Such as: when someone is 35 years, 7 months and 3 days old they can celebrate their 13th k-day or kiloversary.
I used WolframAlpha to figure out what my k-day is.
k-day by the bromiester February 12, 2010
'K day' is an abbreviation of Christmas like 'x-mas' and there have been numerous suggestions as to its origin. Some theorists suggest it reflects the Eastern Jewish tradition against inscibing an X (the sign of the cross) in legal documents.
I think Tennesse are supposed to play K day.
k day by Bishop Saturday September 22, 2009
Used as a colloquial term when consuming the psychoactive substance Ketamine.

K-Days often evolve into urban safaris where K-9’s (see term) find their way to extraordinary adventures. When the K-Day peaks, our K-9’s achieve the ultimate harmony: their Chakras become aligned.

K- Days are every day and should be part of one’s daily routine.
“Hey, what day is it? It’s a fkn K-Day dude”

“Everyday is a fkn K-Day dude”
K-Day by Daemonaise June 24, 2022

National K Day 

If you have a friend who name starts with a “K” you have to buy them something of their choice. You can’t say no. This day is October 4.
Kim: hey you know what day it is?
Ty: October 4th?

Kim: No it’s National K Day!!
National K Day by maRiklo October 2, 2021

International K-pop Day 

The International K-pop Day is on the 31th December and if you know a K-pop stan, you must do something fun and K-pop related with them, even if you aren't a K-pop fan. At exactly 23:59:13 you have to listen to 'Epiphany' so the first thing you hear on 1st January is "I'm the one I should love in this world."
K-pop stan: Hey! Let's go listen to K-pop since it's the International K-pop Day!!!
You: Alright but only because it is...

National F**k Xbox Day 

August 10th is the day to talk completely trash on xbox cause is dodo
More from Urban Dictionary

kinktober 

An excuse for people to write porn with different types of kinks throughout the month of October.

Smut Fanfiction
That chick doesn't write often but when she does, its for Kinktober.
kinktober by Kinkiest July 12, 2018
Word of the Day on October 30, 2026

proper lad 

a lad that is such a lad that he is a proper lad
person1:did you see bob
person2: ya he was a proper lad
Word of the Day on October 29, 2026
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026

Oblication 

A vacation, feeling more like an obligation, that involves visiting or staying with family.
So Joe where are you taking the kids for spring break vacation? We are going on an oblication to Boca to visit my mother-in-law.
Oblication by kimmerr May 5, 2011
Word of the Day on October 25, 2026
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