Green’s Dictionary of Slang

boheme n.

also bohem, bohim
[SE Bohemian, an artist, literary man or actor, who leads a free, vagabond or irregular life, despising accepted conventions]

(US campus) one who identifies with the 1960s.

[US]Eble Campus Sl. Mar. 1: bohem/bohim – person who resembles a left-over flower child of the 60s.
[US]Eble Sl. and Sociability 36: All types of shortening are evident in college slang. The most frequent pattern of clipping is the loss of sounds from the ends of words: [...] boheme and boho, from bohemian.