Femboygender is when one has a main masculine gender, however they feel as though feminine presentation and concepts best define one or all of their genders. They may consider this a xenogender, as they may use femboys as a metaphor to describe how their gender feels, rather than what their gender presentation is.
It falls under the rosboy umbrella, as rosboy is any masculine-aligned person with a connection to femininity.
History
The term appears to have been coined on January 5th of 2021 by Luna4220.
Flag
The flag appears to have been coined on January 5th of 2021 by Luna4220. It is unknown if it has a meaning.
An alternate flag was created by Wiki user uRnAnSaNdI on February 28th 2021 based on the original flag.