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
1. A popular term used to describe a weed smoking time created by the waldos because they always smoked at 4:20. it has spread into a code for smoking and now April 20th has been established as national pot smoking day

2. A number usually found between 419 and 421.

3. A police code for a homicide

4. (April 20th) Hitlers birthday
1. hey man its 420, time to smoke!!!
2. hey man i just counted to 420!!!!
3. -guy gets killed- (cop): WE GOT A 420!!!
4. hey man its the H-mans B-day, lets go heil and celebrate
by SinisterL April 24, 2010
People on gaming platforms who think it's cool to put 420 in their name. It also applies to anyone with weed related names.
"Look at that guy right there! His name is sUpAkUsH420. I'm pretty sure he thinks he's cool because he smokes weed."
by A straight edge November 15, 2009
a time to go smoke or the day everybody goes to smoke pot,or is also the day hitler was born
yo were gonna smoke on hitlers birthday its 420
by S.E. 24 January 19, 2009
A day where people gather to celebrate and consumer cannabis, better known as marijuana. The term derived from a group of teenagers at a high school in San Rafael, California back in 1971, who would meet after school at 4:20 p.m. to smoke marijuana at the Louis Pasteur statue.
Happy 420!!
by HaraShogunate April 20, 2009
Adolf Hitler's birthday. Therefore some hardcore white supremeist had tattoos with that number.

it is also Pot day, how unfortunate.
or conviently confusing.

Are they a pothead or a skinhead?
Hay nigga, watch out for that one, gotta 420 tat and looks like he got a white hoodie wida point to it
by Dick tastes like poop October 29, 2013
The number silly, little teenagers talk about for days upon days, but do not get high when April twentieth is finally here.

April twentieth is also Adolf Hitler's birthday. This day is not commonly known as "420" when referred to Hitler's birthday, though.

There is belief that "420" is the police code for a "drug bust," but it is not. There are no codes for a "drug bust," only "drug deal," which is code "966."
April 18th:

MySpace status: omfgzzz! 420 iz amlost here, yadigg?!

Facebook status: cant wait till 420 mofoo!

Twitter status: 420 in TW0 dayzz!!!

April 19th:

MySpace status: 420 tmrw!!! :D

Facebook status: cant wait til tamorra gunna get blazeddd!

Twitter status: almst 420! blazed tmrw mutha fucka!

April 20th:

MySpace status: im so bored ne1 wanna hng out??

Facebook status: nuttin to do 2day. wanna chill?

Twitter status: lets hang out dood.
by kellycakes April 18, 2010
a small boat used to sail that is moderately fast but takes a few mintes to rig and derig. Can be used in varsity races and beginners sailing.
hey you wanna race yur laser against my 420?
by souljafortune October 23, 2008

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