From 1953, a usually disparaging variant of hipster. See also etymology of hippie.
Meanings
Of or pertaining to hippies.
And then I discovered LSD, you can't get much more hippie than that. 2013, Ian Young, It's Not about Me!: Confessions of a Recovered Outlaw Addict, →ISBN:
The drug-taking he's writing about is less hippie than punk: it's about speed and smack and pills as much as hallucinogens and weed, about compulsion as well as escape. 2011, Mike Marqusee, Wicked Messenger: Bob Dylan and the 1960s, →ISBN:
You have to understand I worked in a very hippie nightclub for years, and the majority of the staff did not even like the Grateful Dead. 2012, Christopher Lento, The Bartender Diaries...A Life Fantastic!, →ISBN, page 126:
That dress looks very hippie.
(colloquial, humorous) Not conforming to generally accepted standards.
They used a bunch of hippie compression formats instead of the usual RAR and ZIP.
From 1953, a usually disparaging variant of hipster. See also etymology of hippie.
Meanings
(qualifier:1950s slang) A teenager who imitated the beatniks.
(derogatory, qualifier:1960s slang; still widely used in reference to that era; 1960s slang; still widely used in reference to that era, sometimes) One who chooses not to conform to prevailing social norms: especially one who subscribes to values or actions such as acceptance or self-practice of recreational drug use, liberal or radical sexual mores, advocacy of communal living, strong pacifism or anti-war sentiment, etc.
(derogatory, modern, slang) A person who keeps an unkempt or sloppy appearance and has unusually long hair (for males), and is thus often stereotyped as a deadbeat.
Someone who dresses in a hippie style.
(archaic, dated) Someone who is or tries to be hip.
Near-synonyms: hipster, hepster, trendite; see also Thesaurus:fashionable person