rubby noun a derelict who drinks rubbing alcohol US,1962 The word is not to be confused with “rummy”.
— Frank Prewitt and Francis Schaeffer, VacavilleVocabulary, 1961–1962
A “rubby” drinks rubbing alcohol. He can buy it in drugstores on Sunday, when Canadian liquor stores are closed. — Bill Casselman, CanadianWords, p. 15, 1995