Slendervoidgender is a xenogender related or somehow connected to slenderman, as well as being gendervoid. Those who identify as slendervoidgender may have a connection to eeriness, emptiness, horror, and/or other creepy pastas. Anyone who identifies as slendervoidgender can add a suffix such as: slendervoidgirl, slendervoidboy, slendervoidenby, etc.
History
Slendervoidgender was coined on August 16th, 2022 by Tumblr user quolovesrp[1]. The flag was created at the same time by Tumblr user quolovesrp.