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
national weed smoking day. light em up at 4:20 pm or am.
man, i cant wait for 4-20 to come. its almost as good as christmas.
by ... April 24, 2005
who really cares...it's 420 right now!!!
Happy 420!!!!!!!!!!!!! Roll it up Light it up Smoke it up Inhale Ehale
by Junebug April 20, 2004
One of the many names for weed. Its mainly in reference to time. But theres also April 20th.
Its 4:20, gota hit that bowl.
I cant wait til 4/20,(april 20th) Im gona be stoned off my ass.
by Sonja February 18, 2003
Code for homicide. From CSI, but is the actual police code used by the Las Vegas Metropolitan Police Department.
419 = Dead Body
419A = Drowned Person
420 = Homicide
420A = Murder/Non-negligent homicide
420B = Manslaughter
420Z = Attempted homicide
421 = Sick or injured
421A = Mentally ill person
422 = Sick or injured Officer

by Alfie The Horndog June 10, 2007
1)Noun: The time of day for ritual/social smoking of herb. Usually there's enough time to be prepared well to start(inviting friends, driving around, buying stuff, etc).
2)Noun: Herb
" Dude, IT'S ALMOST 420 .. FUCK! Light up right here man."
" This is some high quality 4.2.0.
by redman&kronic January 24, 2009
Originated in San Rafael high school in 1971 by a group of stoners named the "Waldos"... they would use the code 420 to say that they would meet at 4:20 to smoke...also assoctiated with April 20th...my name is henry hennessy and my father smoke pot and everything elses...his birthday is April 19th and he graduated high school in 1971.
my dad was a total stoner
by Henry Hennessy February 13, 2004
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