What does 4/20 friendly mean? This is quite often seen on websites advertising for housemates, tennants or possibly dating apps. It simply means that the person or place is accepting of people who smoke weed and probably do themselves.

Is 420 a bad number?

Youve heard about hotels avoiding number 13 because its considered unlucky, but some are being forced to remove the number 420 because of its links with cannabis culture. The number 420 refers to April 20 (4/20 in US form), which has become an international holiday for smoking and celebrating marijuana.