What makes someone a hipster?

A hipster as he/she is called now was once a hippy back in the 1960's but is now all grown up and old as s'hit. How to tell if someone is a hipster. First look for a super skinny old man with a head full of grey hair in a pony tail. The hipster is often dressed in hippy clothes.jeans barefoot sandels a frilly short with a vest and a peace sign dangling from around his neck. The hipster drives an old car from the 60's like a mustang with tje dashboard speaker blasting jimi hendrix or deep purple smoke on the water

it's basically a meaningless term

Is that similar to metrosexual or something?

disliking things that are mainstream