Meta-gender

A still more nuanced gender-system exists in Sulawesi, in the Indonesian archipelago, where among the Bugis people there are “three sexes (female, male, intersex), four genders (women, men, calabai [false woman], and calatai [false man], and a fifth meta-gender group, the bissu [literally 'transvestite priest,' but in fact hermaphroditic]” (Graham, 2001).

Source: wiktionary

Some students would be homosexual, some trans-gender, but Mr. Dame suspected that Joey was one of the occasional still-confused youngsters of meta-gender: always outside any identifiable boundary and stuck being uncomfortable in their own skin.

Source: wiktionary

The Bugis, an Indigenous Indonesian ethnic group, recognize three sexes, four genders, and a meta-gender.

Source: wiktionary