1. One who drills for oil speculatively.
2. One who promotes an unsafe or fraudulent enterprise.
3. A worker who takes part in a wildcat strike: a sudden strike not authorized by the labor union.
4. A worker who participates in a wildcat strike.
5. A promoter of speculative or fraudulent business enterprises.an oilman who drills exploratory wells in territory not known to be an oil field.
An Indian Wildcatter Rides the site; The ISC.
The wildcatter operates oil wells.