The 420 friendly is a jargon term that is used to show that the person is okay with or even supportive of the use of cannabis. The 420 has become a widely-recognized marijuana-related slang term, with the term frequently used in social media profiles, dating apps, or in everyday speech. To parents, it is worthy to learn that this expression does not necessarily imply active use, but it does indicate a degree of tolerance or receptiveness to it, which could be due to peer pressure or interest. Know more about 420 meaning