A scam that typically involves promising the victim a significant share of a large sum of money, in return for a small up-front payment, which the fraudster claims will be used to obtain the large sum
419 fraud has increased significantly in recent years.
420, 4:20, or 4/20 (pronounced four-twenty) is cannabis culture slang for weed consumption, especially smoking around the time 4:20 p.m., and also refers to cannabis-oriented celebrations that take place annually on April 20th.