Finic is a term for people on the multisexual spectrum who have a preference towards people who are feminine in nature (FIN). This can refer to people who are attracted to feminine or woman-aligned genders, such as people who are fingender or fiaspec. It can refer to people who are attracted to a feminine gender presentation (regardless of the person's actual gender).
The term can be used by anyone who is attracted to two or more genders but has a preference for femininity. It can be used a sexuality by itself or as a modifier for another sexuality (ie: finic bisexual).
The earliest mention of finic appears to be by Tumblr user lgbtqiarchive on May 11th of 2020.
The flag was coined by Tumblr user androidic on May 31st of 2020. It has no confirmed meaning.