high roller
or high·roll·er
noun Informal.
a person who gambles for large stakes, as in a casino.
a person who spends money freely for entertainment and extravagant living.
a corporation or governmental agency that invests or spends freely or recklessly.
Origin of high roller
An Americanism dating back to 1880–85
Words nearby high roller
high priestess,
high priesthood,
high profile,
high relief,
high renaissance,
high roller,
high school,
high sea,
high seas,
high season,
high sign
British Dictionary definitions for high roller
high roller
noun
slang, mainly US and Canadian
a person who spends money extravagantly or gambles recklessly