415 Scam Share definition Flag A scheme to get investors to pour money into an unproven idea that will burn through cash at an alarming rate and probably never produce any revenue. AKA, a San Francisco start-up. Man, I can't believe so many people fell for that Pets.com 415 scam back in the day. 415 Scam by hackworth May 19, 2012 0 0 Get merch Get the 415 Scam mug. Buy Now — $32.95 See more merch