https://lolcow.farm/snow/res/465430.html
"Fakebois are girls who pretend to be boys for attention, either as transmen or biological males (usually the former). These girls are not really transgender because they experience little or no gender dysphoria and usually don't transition, although some of them take male hormones (made possible by informed consent transgender clinics which require no diagnosis) and later regret it.
Fakebois style and present themselves as androgenous or feminine-looking young men, even wearing girls clothing and make-up. They insist on being addressed with male he/him pronouns and take great offense at being misgendered. Some are SJW transactivists, but for most their identities are entirely superficial."
or, to but it in my own words; Someone, usually a woman, pretending to be the opposite sex or transgender on social media to get more attention. Being trans is trendy now, so they are trans trending. For cosplayers, it is to make their cosplay look more convincing. It is like the trap meme; a woman cosplaying a woman? So what? A man who looks like a woman cosplaying a woman?!?! +1000 likes. If they pretend to be male, and thus a trap, they get more likes.
Not sure how to objectively write an article about it since idk what an outsider's view of this is like. I like androgynous cosplayers, and it is really weird how so many pretend to be the opposite sex.