A young person, usually male, who follows the fashion and music trend of indie whilst maintaining a figure borderlining on anorexic, possibly due to excessive drug use.
A thin indie kid.
A point of jealousy for many females who are annoyed at the amount of males looking more feminine than they do.

Bexy Atherton's only claim to fame...

When you eat dirt for the first time and leave your family to build a shack in the woods

a thin, indie girl or boy.
thin+indie=thindie