4:21

the day after (mef know what i mean)

Stoner # 1 - duude yesterday....highest i've ever been.
Stoner # 2 - welcome to 4:21 mannnnn

by osama bin blazen February 8, 2008

4:21

a minute afta 420

421 neva to late

by Tyz Gurl January 20, 2003

4:21

a time for people that dont smoke to go and see the people that smoke and make fun of them

lets go to jakes house and see how high they are today

by brooke March 30, 2003

4:21

4:21 from a professor

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

by Pallet Wizard February 8, 2019

9/4/21

September 4th, 2021

Also known as Pac 12 North implosion day

Oh yeah I remember when 83% of the pac 12 north lost on 9/4/21!

by Pac12chatmember September 5, 2021

4/21

National drug test day

Today's 4/21 that means it's national drug test day because yesterday was 4/20

by Jay_jr99 April 20, 2016

4/21

The day to smoke paper... April 21st. Or every day at 4:21

Aye say Jay J , It’s 4/21, u got the printer paper or the brown paper bag to smoke?

by jayjgreen April 21, 2021