View What Does It Mean To Be 420 Friendly Background. Originally, it was used as code amongst marijuana smokers. 420 refers to recreational marijuana use, and 420 friendly means that the individual uses marijuana and/or is comfortable if you do, too.
Person who likes smoking pot usually used in personals and on craigslist, 420 friendly means the person likes to smoke pot.
420 friendly is a term used by people who are welcoming to weed in society. The number 420 has become a popular code for marijuana. The codes police use on the radio to discretely update fellow officers of situations) for marijuana possession, much in the same way that 187 became interchangeable with murder. So it means if you smoke weed i am cool with that.