Meaning

1 senses
  1. (US, informal)One who has made a large amount of money in the oil business.

Origin

Blend of oil + millionaire.

Blend of oil + millionaire.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: oilionaires
Singularoilionaire
Pluraloilionaires

regular

See also

neighbours in the dictionary
oilionaire — meaning, examples, forms, synonyms | Krumeto