What is what does it mean to be 420 friendly?

Being "420 friendly" is a slang term, primarily used in the context of dating profiles, housing ads, and social situations, which indicates that the individual is accepting, tolerant, or actively interested in the consumption of cannabis.

Essentially, it conveys that the person:

• Is comfortable around people who use cannabis. This doesn't necessarily mean they use it themselves, but they are not opposed to it.
• May be a cannabis user themselves.
• Is generally open-minded and accepting of cannabis culture.

Therefore, in a nutshell, 420 friendly signals a permissive or supportive stance towards recreational or medicinal cannabis use. A person who says they are "420 friendly" likely won't have an issue with someone possessing or using cannabis responsibly, in accordance with applicable laws and regulations. You can read more about cannabis use. You can also read more about cannabis%20culture if you wish.