December 12

December 12 is national slap your taller friend.

Shorter friend: hey it is time for pay back because it is December 12.

Taller friend: wait what?
* shorter friend slaps him*

by donuts are good December 11, 2020

12-9

How the New York City Subway workers refer to someone getting struck by a train. Commonly used by railfans and internal operations.

Guy A: Yo what happened at Jackson Heights
Guy B: Another 12-9 man

by anonymous July 22, 2025

November 12

The day that Red (Taylor’s Version) comes out. Also the day where all swifties will cry together and curse Jake Gyllenhaal.

I’m so excited to listen to the 10 minute version of All Too Well on November 12!

by all too unwell swiftie November 4, 2021

May 12

National Masturbation/Send Nudes Day

Hey it’s May 12 time to have some fun

by Hehdbd May 12, 2022

12

The Aryan Brotherhood

According to the ADL

"Substituting letters for numbers, 12 equals AB, i.e., Aryan Brotherhood."

Dude 1: fuck 12

Dude 2: yeah they can eat dog shit, but that’s not the only 12 you gotta be worried about.

by Drex V. June 1, 2024

October 12, Thank developers day

October 12 is the day you thank the developers of a specific community, game.

"Thank you developer for always updating the game"
"October 12, Thank developers day is my favorite day!"

by bintage80 October 10, 2022

National Lennetlive day (July 12)

July 12th is now National Lennetlive day in honor of the awesome streamer lennetlive. It is an automatically cool day to watch lennetlive streams.

"Yo today is national lennetlive day (july 12)"

"who is that?"
"Perish."

by Iamjustaghost July 12, 2021