1. A book written by "Oklahoma Johnny" Hale that tells his story from his humble beginnings as a poor country boy to his successes in business to his wild gambling days playing high stakes poker.
2. A term used to describe an older wealthy man who now lives as a professional high stakes gambler, or is just involved in high stakes gambling on a regular basis. His true wealth may be a product of his success at gambling or other unrelated business ventures, or could even be inherited. The gentleman gambler may at times be viewed as a gentleman of leisure and he often prides himself as a true gentleman, honest and fair, but also as a cool and calm player with many years of gambling experience.
Santos is a true gentleman gambler who has been playing poker all his life. Always brings a lot of money to the table and is very generous, but is still respectful of the other players.