A celebration that coincides with Chanukah wherein marijuana is smoked nightly for 7 days in a row.
by Mike January 11, 2005
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The official name for April 20th, the holiday for the celebration of Cannabis.

A day to be taken to do nothing but spend time with friends, and smoke, vape, eat, as much chronic as possible.

One particular tradition is to smoke blunts/joints all day long. You take the roach from each blunt/joint and mix it in with the chronic for each additional blunt/joint. This is known as a generation. The second blunt/joint with the first roach is a "second generation" blunt/joint. The number of generations a person reaches states how good of a chronica you had.

This holiday dates back to the days of ole. It predates any other holiday, religious or celebratory, in accordance that humans have been using and celebrating the use of chronic since the dawn of time.
"Happy Chronica"

"Have a nice Chronica!!!"

"I smoked a 20th generation blunt on Chronica this year!!!!"
by phoenix42o August 29, 2008
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The celebration of April 20th and the previous 8 days. Typically the amount of chronic smoked is increased until 4/20, when one smokes massive amounts of cannabis sativa all day.
Stoner 1: So dude, what u been up to lately?

Stoner 2: Celebrating the 8 days of chronica man, what else? 4/20 is in 4 days!
by Ganjalicious April 16, 2010
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