One who spends freely and extravagantly, as for luxuries or entertainment. 2. One who gambles rashly or for high stakes. 3. An organization, such as a large. This Slang page is designed to explain what the meaning of high roller is. The slang word / phrase / acronym high roller means . Online Slang Dictionary. High roller definition, a person who gambles for large stakes, as in a casino. See more. The Mayor of Warwick Herbert M. Quiz The most important sandwich quiz you'll take today. High Roller is the latest album of family-friendly kid-folk music by Hullabaloo, blending folk musical influences with inspiration from beloved figures such as Woody Guthrie and Johnny Cash to create a collection of classical tunes redone with a new pizzazz. Word Games Words for Summer -- A Quiz Test your knowledge of words related to the season of longer days and vacations. Delivered to your inbox! Examples from the Web for high roller Expand. Throughout the season, the new High Roller Night Life Terrain Park will be open - you guessed it - after the sun goes down Thursdays through Saturdays. The page has not loaded completely and some content and functionality are corrupted. Logged-in users can add themselves to the map. Dowsered Aug 03, Definition of high-roller from the Collins English Dictionary. Definition of high roller. How Strong Is Your Vocabulary? I brought down every word he said I took down every word he said. Add a definition for this slang term. They took money from us They brought money from us. America's Bad Bet , claims that it is actually gamblers from the lower and lower-middle classes in the United States that provide much of the gambling money. What's up with that?