Definition of rumbustion in English:

rumbustion

noun

rare, historical
  • Rum.

Origin

Mid 17th century; earliest use found in Mercurius Politicus. Origin uncertain, as is the relationship to the slightly later synonym rum. Perhaps an alteration of rumbullion, after combustion, with reference to the effect of the drink on the drinker.

Pronunciation

rumbustion

/rəmˈbʌstʃ(ə)n//rʌmˈbʌstʃ(ə)n/