Cassgirl

Definitions and Usage
Cassgirl (could also be called casswoman or cassfemale) is when one feels that their gender is unimportant or is indifferent to the concept of gender, but knows that their gender is somewhat female/feminine.

Related Terms
Cassgirl is a subset of cassgender as well as the female counterpart to cassboy and cassenby.

Flags
It can be assumed the cassgirl flag is meant to resemble the cassgender flag, with the green stripe replaced by a dark pink one.