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adolf hitlers birthday.
Person number 1: WHOA ITS HITLERS BIRTHDAY
Person # 2:Yeah man, lets get stoned
by elizabeth April 17, 2005
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16
NATIONAL POT SMOKING DAY MAN.
April 20th.

people keep trying to find the origin for this most sacred of celebrations.. but i say:

Its an excuse to smoke a Fucking lot of pot!
so stop asking questions and just
SPARK
its 4:20 man
time to seshh
by sttonner April 15, 2006
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17
Skin up time! no matter what the time is, if you are tokin a joint, its 4:20. And on april the 20th, that is the ultimate day for an almighty stone-up sesh.
"its 4:18, you got two minutes before 4:20 to skin up."
by RattleheaD August 19, 2006
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19
This is the temperature that mota or marijuana burns at. So therefore we the smokers light up at 4:20 BITCHES
Smoker 1 - Hey buddy you want to light up at 4:20
Smoker 2 - Why 4:20
Smoker 1 - Hell i dont kno lets google it
Smoker 2 - naw fuck that lets just do it and makes some gay shit up like the cops have a code about it.

BITCHES
by Just Smoke April 12, 2006
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20
Today in fact.

4:20, the term pigs use to refer to person(s) smoking weed.

April 20th, International marijuana day.

4:20, The time to smoke weed, or the time when you're smoking weed.

April 20th, Hitler's birthday.
"Its 4:20 bubba, I wanna impale my mouth with your blunt!"

"4:20 in progress! Bring a lighter!"
by Silly Asian April 19, 2005
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21
Originated in Toronto highschools back in the late 70s as being the "safe" time to spark up.
School gets out at 3:30pm, takes about 45 minutes for general student population and teachers to leave the premises; this gives you time to hang out for a bit and to roll a few fatties.
Fuck man!...it's 4:20...spark'er up. Whattaya waitin' for?

by weederneeder February 18, 2006
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