Sapphic Achillean is a term for when one considers oneself sapphic and achillean due to being both male/masculine-align and female/feminine-aligned and being attracted to men and women. A sapphic achillean person may or may not be attracted to other genders as well.
Similar terms include anfisian.
Flags
The first flag was created by u/zamonianbolton on April 4th, 2020. It is a mix of the sapphic and achillean flags.
The second flag was created by an unknown person and its meaning is also unknown.