Definition of rogue money in US English:

rogue money

noun

English Regional, Durham, Scottish
historical
  • A tax formerly levied on a parish or county to provide a fund to cover the costs of the apprehension, prosecution, and maintenance in prison of criminals.

Origin

Late 16th century. From rogue + money.

Pronunciation

rogue money

/ˈrəʊɡ ˌmʌni/