Definitions for "beatnik"
Artistic and literary rebellion against established society of the 1950s and early 1960s, associated with Jack Kerouac, Allen Ginsberg, and others. "Beat" suggests holiness ("beatification") and suffering ("beaten down").
Beatnik is a media stereotype that borrowed the most superficial aspects of the Beat Generation literary movement of the 1950s to present a distorted, cartoon-like misrepresentation of the real-life people found in Jack Kerouac's autobiographical fiction.
a member of the Beat Generation; a nonconformist in dress and behavior.