F-gender is a term for any feminine or female gender identity. It's similar to fingender, fiaspec, feingender, and femgender, however it encompasses binary identities, such as wifgender, and some non-binary identities. It represents the letter F gender marker.
The masculine/male counterpart is M-gender.
The term was coined on January 12, 2019 by Tumblr user imoga-pride.