Roaring twenties \Roar"ing twen"ties\
The decade from 1920 to 1929; -- so called because of the
occurrence of a prosperous economy and rapid changes in
sociological mores as exemplified by speakeasies, the
popularity of fast cars and jazz, and the boisterous
unconventional behavior of young adults in that period. See
also {flapper}, {speakeasy}, and second {prohibition}.
[PJC]