high roller

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. one who spends lavishly and ostentatiously on entertainment
- the last of the big spenders
• Syn:
big spender
• Hypernyms:
spendthrift, spend-all, spender, scattergood
2. a gambler who wagers large sums
• Hypernyms:
gambler