a high roller

(American & Australian)

someone who spends a lot of money in a careless way, especially risking money in games He became known as a high roller, and was invited to the biggest gambling tables in town.

Common Names:

Name	Pronounced	Usage
Yefim	ye-FEEM, ee-FEEM	Russian
Thandiwe	-	Southern African, Xhosa
Tripp	[trip]
Wilmot	-	Medieval English
Dahlia	DAL-yə	English (Modern)
Lester	['lestə]