A celebrated time for potheads all around the USA (and possibly other countries) because it is believed that at 4:20, whether it be night or day, one should partake in the activity of smoking marijuana. It has practically made its self a holiday if you look at the date April 20th, which in months and days would be, in fact, Four Twenty.
Rejoice little potheads, for this might just someday be put on a calender expressly for the use of the 99 Cents store.
Bud: What time is it Mary-Jane?
Mary-Jane: *inhales* It's four twenty.
by Nameless Here Forevermore February 16, 2006
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A celebrated time for potheads all around the USA (and possibly other countries) because it is believed that at 4:20, whether it be night or day, one should partake in the activity of smoking marijuana. It has practically made its self a holiday if you look at the date April 20th, which in months and days would be, in fact, Four Twenty.
Rejoice little potheads, for this might just someday be put on a calender expressly for the use of the 99 Cents store.
Bud: What time is it Mary-Jane?
Mary-Jane: *inhales* It's four twenty.
by Nameless Here Forevermore February 14, 2006
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1. (n.) Synonym for Marijuana. Often used as a code so non marijuana users will not be aware that two users are discussing marijuana in public.

2. The time of day universally recognized for using marijuana. 4:20PM
1. "I moved into my apartment because my roommate was Four Twenty friendly"

2. "It was 4:19 just about that time." -ALO
by Mr. ForeTwenty September 13, 2011
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It all started back in NoCal at a high school where estudiantes were looking for some buds that was s'posed to be on dis island, they all met at a flagpole at 420 to search fo da' buds nigga', ya heard me.
It's 420 bitch, come over here and suck daddy's diznick while I blaze this spliff...ho ass trick.
by k dubb May 07, 2004
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It's four twenty, lets get blazed in memory of our misunderstood father. The Holocaust is liberal propaganda. ya' heard?
by KDAWG April 15, 2005
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Underage girl. A underage girl that dresses older than she is.

Named after a brand of Australian meat pie "four and twenty"

Alludes to Four minutes of pleasure, twenty years in gaol.

Used in NSW mainly
Bloke 1 - "top looking girl over there, she looks allright"

Bloke 2 - "Nah mate, she is a four and twenty for sure"
by QOTD May 07, 2008
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