(US, informal) One who has made a large amount of money in the oil business.
(US, informal) One who has made a large amount of money in the oil business.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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One who has a lot of money and lives luxuriously.