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

September 12

It’s national get $20 bucks from everyone who you have added on snap day

Ex: you have heheheh added on snap they owe you 20 bucks on September 12

by Dhbebesuskkw September 11, 2021

December 12

National hug and kisses day. Go up to whom ever you please and give them a hug and or kiss.

Person1: Hugs and kisses his/her crush because its december 12th.

Person2: Loves them now.

by dis hoein April 27, 2022

December 12

December 12 is when you scream shut up in school

Rylan screams shut up in December 12

by ScarletLxrd December 2, 2020

12 Cm

12 CM is a penis size some people think is average or big enough but other people think it is small, most people use it in jokes which depend heavily on the context. They typically rely a lot on context because sometimes the size around 12 Cm is presented as big but other times as small.

"What a big skyscraper.. It must be 12 Cm!" "This song lasts so little, it's about 12 Cm!"

by prostate123 March 20, 2024

once in 12 years

believe it or not once in 12 years theres a leap year on monday (not including the 100 years leap year rule)

once in 12 years is 5 times every 60 years

by chargingvindiction4 January 18, 2025

12 Cm

12 Cm is a joke around the internet on how something is either 'big' or 'average sized', 11 is small and 13 is huge

12 cm? Whoa, buddy, that's too big.

by prostate123 March 17, 2024