WikiAnswers - Where did the saying '420' come from
In 1971 a group of San Rafael High School students, called the Waldos, used to
gather around 4:20pm to smoke pot, so "420" became the slang for signifying ...
wiki.answers.com/Q/Where_did_the_saying_'420'_come_from

420 Dictionary
The 420 Dictionary explains terms of 420 slang language, hip hop slang, 420
images, 420 history, and underground subculture definitions.
www.420dictionary.com/

WikiAnswers - What does 420 friendly mean
Idioms and Slang question: What does 420 friendly mean? 420 refers to marihuana
use Detailed Answer 420 friendly means that the person doesn't mind if you ...
wiki.answers.com/Q/What_does_420_friendly_mean

WikiAnswers - What is half of 420
Idioms and Slang question: What is half of 420? one half means divide by two--
that fact is worth remembering! 420 is especially easy to divide by 2, ...
wiki.answers.com/Q/What_is_half_of_420

WikiAnswers - What is the mean of 470 330 550 420 440 420 450
What is the mean of 470 330 550 420 440 420 450? In: Idioms and Slang, Word and
Phrase Origins, Urban Legends [Edit categories] ...
wiki.answers.com/Q/ What_is_the_mean_of_470_330_550_420_440_420_450

WikiAnswers - What is 420 divided by 7
Idioms and Slang question: What is 420 divided by 7? 60. ... What is the origin
of the slang term for johnson? Research your answer: ...
wiki.answers.com/Q/What_is_420_divided_by_7

WikiAnswers - In dating what does 420 friendly mean
Idioms and Slang question: In dating what does 420 friendly mean? 420 Friendly
means you're friendly with people that smoke weed or anything similar.
wiki.answers.com/Q/ In_dating_what_does_420_friendly_mean

WikiAnswers - Why do they celebrate 420
Idioms and Slang question: Why do they celebrate 420? stoners celebrate 420
because there are 420 active chemicals in marijuana.
wiki.answers.com/Q/Why_do_they_celebrate_420

WikiAnswers - What is a 420 relationship mean
The Czech Republic (country, Czechoslovakia); 420. Can you answer these idioms
and slang questions? Where did the phrase at this point in time come from? ...
wiki.answers.com/Q/What_is_a_420_relationship_mean

WikiAnswers - What does 420 friendly mean in dating
420 (cannabis culture); The Czech Republic (country, Czechoslovakia). Can you
answer these idioms and slang questions? Where to buy homies? ...
wiki.answers.com/Q/ What_does_420_friendly_mean_in_dating