Lesboy

Lesboy or Boy Lesbian is an identity for an individual who in some way identifies as a boy/man that is gay for women (lesbian). It can include:

an individual who is cusper between transgender man and a cisgender butch lesbian.
an individual who is cusper between (lesbian) transgender woman and gender non-conforming cis man.
A man aligned/solarian girl.
A woman aligned/lunarian boy
A multigender individual or an individual who otherwise identifies as male and female simultaneously (girlboy) and feels attraction to women.
an individual who is genderfluid and identifies as a lesbian, even when they are male.
A lesbiangender, sapphicgender, lesbogender, or sapphogender man.
Anyone else who is in some way a boy/man and experiences attraction to women that is gay.

Resources

https://beyond-mogai-pride-flags.tumblr.com/post/638068368080076800/lesboy-pride-flag