Troigue is an ambiguous, androgynous gender that is the product of the blending of masculinity and femininity, which is expressed through subversion of the gender binary and genderf*ckery.
It could also be seen an a centrigender and/or venngender of masculinity and femininity.
Flag
The flag was created by Tumblr blog Gender-Resource on May 19, 2020.[1] Indigo represents gender ambiguity. The purple stripes represents the intersection of masculinity and femininity (androgyny). Lavender represents queerness, genderf*ckery and subversion of the gender binary. Gold represents the quality of being a “third gender”. Brown represents the blending of gender qualities common to masculinity and femininity.
Etymology
It comes from French, trois, meaning "three" which is an allusion to neutrois. The suffix -igue, used to indicate gender ambiguity and is borrowed from ambigue.