420 FRIENDLY means that someone is a User of Cannabis or Tolerant of Cannabis Use. The phrase 420 FRIENDLY is typically used in personal ads and on dating sites, such as TINDER and Craigs List, to indicate that the poster smokes cannabis and/or is open to contact from someone who does.

What is 420 day all about?

4/20 is, in short, a holiday celebrating marijuana. The ritual spread, and soon 420 became code for smoking marijuana. Eventually 420 was converted into 4/20 for calendar purposes, and the day of celebration was born.

What is ons tinder?

ONS: One Night Stands -- from the moment you come across this on a persons dating profile, you know what they are looking for. Flings: A fling is when you go out on a few dates, have sex frequently and the entire thing lasts for not more than a week or two.