Abdominusbaonic

 is a xenogender that feels as though it is constantly gluttonous for more genders, collecting any it finds and keeping them in its metaphorical stomach.

Etymology
Although etymology was not specified in the original coining, it is assumed that the term comes from the root word abdominus, in reference to the stomach area. The source of the suffix is unknown.

Definitions

 * a gender that consistently is gluttonous for more genders, and therefore will scrounge up any it finds and put them in its “stomach” - mason, 2019