A stereotypical member of the counterculture of the 1960s is featured. This typically involves tie dye shirts, psychedelic drugs, and a "make love not war" philosophy of life.

Examples:
Dr. Severin and his loyal disciples displayed all the ideologies and mannerisms of hippies and scolded Captain Kirk for being a rigid narrow-minded "Herbert" in tos3x20 "The Way to Eden".

References:
https://en.wikipedia.org/wiki/Hippie