4:21

The time you try and pretend it is still 4:20 (professors can still smoke on 4:21)

by Pallet Wizard February 7, 2019

October 21

It’s national makeout day!! Everyone have fun with your girls/boys and makeout a bit

Me and this girl finished watching a movie and had a makeout session for an hour.
October 21 is a day near the end of October

by Rondooooooo76 October 17, 2019

December 21st is national post your friends day ! post your friends and make sure to tag them

you : “ omgg ! it’s december 21st I need to post my friends ”

by faithsuniversee December 21, 2022

*slap* why did you do that

Duh because it’s national slap your tallest best friend day on October 21st

by Abc11345 October 21, 2019

A person born with 3xthe 21st chromosome, also none as a retard or person with down syndrome aka downer

by Dave C May 7, 2003

National "Make Up a National Holiday" Day. Because why the hell not? Make up that holiday and be proud of it!

Person 1: What are you celebrating on October 21st?
Person 2: National "Comic Book Appreciation" Day, you?
Person 1: National "Do no Homework" Day!

by UrbDict 1 October 20, 2019

It is the DECK where the right times are given for context change

If you think something is FISHY change to 21 CONTEXT STREET and you will never be sorry for that BRIGHT VIEW that awaits you.

by BETE NOIRE ASSH0LE September 18, 2021