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John Day is a celebration that occurs every October 30th from 9:00 AM to midnight. This celebration tends to be celebrated by going out to eat in a group of 3-4 people including someone named John and pulling good-natured practical jokes on the John in your group. To those who celebrate John Day it is considered to be the most entertaining time of year.
I can't believe it's finally John Day! Where should we go for dinner?
John Day by Dayman76 December 29, 2015
Having a easy day at work pretending to do stuff, but really not doing any productive for work
Looks like he is a john day today
John day by Lunchtime27 June 9, 2017
Me - "hey mum, who's your favourite wrestler?"

My mum -"John Day"
John Day by Totally not John Day November 22, 2021

Aggravate John day 

Normally celebrated on every Monday of the year. If you know anyone named John, today is the day to aggravate them.
Today is National Aggravate John Day.

Harass John Day 

On July 30th, anyone can harass people with the first name of John and they can't do anything about it
Harass John Day by ThePotatoPilot December 17, 2022

National kiss John day 

Find someone named john and kiss them on 21st of november
Haley find John and kissed his cheek on National kiss John day
More from Urban Dictionary
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
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