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1. stoners new year, when everyone breaks out their best stuff

2. Hitlers birthday
"hey, u celebrating 4:20 today?"
"oh yea! HEIL!"
by Stoner Eyes August 23, 2004
Enough said...to all you stonerz out there...u know wut I'm talkin bout...Itz the best time of the day mayn...the only thang that we remember we say...
So yea...ROCK on potheadz...
other than light it up and take a puff...you can never get stoned to much...or puff puff pass...or ne one got grass...or I need to get high...I smoke weed everyday no lie.
Herez one for ya...I made it up ehen I wuz stoned...
I wuz here but now I not...
I'm in my room smoking pot...
I'm telling you this message to prove a point...
Life meanz nothin without a joint...
FUCK YEA MAYN...so party hard...
and smoke a LOT a WEED
by Chickshady420 January 28, 2003
marijuana-"get high"
by bruce s. December 14, 2001
you guys are fucking stupid, 420 was originated in southern california by a group called the waldos, 1 of them heard about a patch of weed plants so they decided to go look for it after school at 4:20pm they never found the weed patch but they still got high as shit off the stuff they did have. Today it is national weed smoking day/time and is today, so im still a little high =D
its 4:20 on 420, lets blazeeeee
by Genius Weed Smoka April 20, 2006
The weed business, is of course more important, but it's also Adolf Hitler and Peter Frampton's Birthday.
Dude: Hey man, baked potatoes are cool.
Dude 2: hey...yeah...cough...I wish I was a baked potato.

Girl: We baked this cookie just before 420
Dude: I baked right before 420

What's ET short for?
He's got little legs.

Why's there only one Eiffel Tower?
Because they eat their young!
by The Dude of...Bong-itude January 14, 2006
Some people say it's "National Smoke Weed Day" or whatever. But it's actually Adolf Hitler's Birthday.
Stupid kid: Haha, you said 420!
Teacher: 420 is Hitler's birthday if you didn't all know you morons.
by DJ Tolman March 07, 2004
The best day and my personal favorite day of the year.
The guy who left the definiton from the source YOU ARE ALL IDIOTS, sounds a little too cranky, maybe he should celebrate 420. (DUMBASS!)
by LaLa January 05, 2004