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10.
420
420 is april 20 the day to smoke your best bud, or national pot smoking day. It all started with a bunch of teenagers called the Waldos.
stoners mental math 4+20 = 420.... lets go smoke.
by mhorittochelln June 23, 2005
 
57.
420
ya!! its 420!! and no bob marley did not die on 420 he died may 11th..origin is from the Waldos but either way..

have fun!!! ^O_o^
why drink and drive when you can toke and fly
by trickylv April 20, 2005
 
58.
420
When the pigs spot people smoking down on some marijuana.
Cop: Dispatch, 420 in progress, over.

PotHeads: Run its the pigs
by JohnnyFrostbite March 13, 2010
 
59.
420
4:20 is the time that Bob Marley died. Every year, 4/20 (April 20) is celebrated as do drugs day, since bob marley used marijuana.
"You going to smoke some shit with us? It's the 420 .

420 shit smoke weed marijuana
by anonomous510 June 19, 2009
 
60.
420
Started by the waldos. Today. It was the day where you get high. In about 2 hours I will be high. Because at school I can't smoke
420. we're gettin stooooooned!
by RileyK April 20, 2005
 
61.
420
Hitler's birthday (April 20 1889)
April 20 1889 is Hitler's birthday
by veggieness April 19, 2005
 
62.
420
A term that has been used and abused by the general public for the past 8 years regarding time for the partaking of marijuana, therefore has lost whatever "coolness" it possessed, so quit saying it!!
Let's go to the park and destroy it for everyone by carving 420 into the trees and tables.

It's always 420 to the nuggetmaster.

There's seven pages of definitions for 420 on urban dictionary... may as well add another one.
by ILoveThom'sChickenDance January 27, 2004
 
63.
420
The only day of the year where marijuana is supposed to be legally sold. But some retards in the American government decided to make it illegal, which resulted in more thefts and murders associated with marijuana.
I haven't smoked pot since the last 420. I'm scared some policeman is going to come to my door and yank me to jail, since they're just looking around for people to bust! Nosy bastards!
by hekifier is the greatest May 08, 2009