A rainbow vexillologist refers to a queer or LGBT+ person that enjoys making flags. It is often, but not always, associated with the act of coining.
History
The term and it's flag were both created by Tumblr user satyrradio on June 4th, 2024.[1]
A simplified flag was created by Tumblr user redacted-coiner on June 28th, 2024.[2]