Every casino in Vegas is trying to get him in for the Super Bowl. One of his big breaks came after he dumpster-dived outside of a competing casino and retrieved a long list of big-betting customers.wa state gambling commission BAN CASINO COLORADO SMOKING In gambling lingo a Whale is someone who gambles a huge amount of money. kasinovegasx61c.xyz® WikiAnswers® Categories Entertainment & Arts Gambling Casinos What is a whale in gambling? Whales have money and as we know gambling is for entertainment purposes. You won't win. Breaking it down most whales either. The term isn’t specific to a single game – whether the gambler in question is playing Slots, Poker The origins of the term “ whale ” can be traced back to the competitive gambling community.