moi4dafaik it is short for 'femoid' a derogatory term for women used by incels and other misogynist groups. Edit: apparently it could also be a derogatory term for men, more or less an equivalentWell off the top of my head, femoids and moids (you can replace moid with male if you want) is a term used by people that is meant to sound like they're lower than the speaker, sort of like