A member of a group of politically radical hippies, active especially during the late 1960s.
Any of a group of young people in the U.S. loosely organized in 1968 as radical activists.
Origin of yippie
- From Y(outh) I(nternational) P(arty) (influenced by hippie)
From American Heritage Dictionary of the English Language, 5th Edition
- From initials of "Youth International Party" + -ie (influenced by hippie).