Collintergender is a subset of collapsargender. It is a gender that is related to an intermediate black hole; the a medium sized black hole, bigger than a stellar black hole but not as big as a supermassive black hole. Collintergender has a strong gravitational pull, like a black hole, and tends to pull other gender identities into it and compress them before spitting them out in a compressed form.
Collintergender can also be used as a prefix for other genders, for example collinterboy, collintergirl, collinteragender, etc...
Collintergender was coined on April 22, 2019 by Tumblr user mogaiformycharacters.