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An American phrase meaning to smoke Delta 9-Tetrahydrocannabinol (Cannabis or marijuana). Mainly used by hoodlums.
Ron-J: Ay niggah, I got that kush.
Tyrone: Yeah niggah, lets smoke that dank.
Ron-J: Yeah bruh, 420 blaze it!
by SwagLowMuffins June 08, 2014
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Basically, a way to say "let's go smoke some pot".
This originated from California's San Rafael High School, where there was a club that participated in marijuana (weed) smoking every day at precisely 4:20
Peter: Cmon kid school's over, lets go
Daniel: yuss it's time for us to 420 blaze it
by shotgunslayer100 October 28, 2015
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basically means smoke weed.

420 means 4/20 which means April 20th which is national weed day
J: hey you know what next week is!

L: ayeeee 420 blaze it
by Brycegirl February 08, 2018
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to lite up some dank ass weed.
most of the time the "dank ass weed" is laced bru.
can s0mboody gibmy deh 420 b0ss
me: dude 420 blaze it bru
guy smoking it: I think this shit laced bru
by randomdacingderpherp March 14, 2015
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