beatnik
noun
[ ˈbiːtnɪk ]
• a young person in the 1950s and early 1960s belonging to a subculture associated with the beat generation.
• "her long black hair and comfortable clothes are the badge of the artist and beatnik"
Origin:
1950s: from beat + -nik on the pattern of sputnik, perhaps influenced by US use of Yiddish -nik, denoting someone or something who acts in a particular way.