Cloudgender is a neurogender where ones gender can not be fully comprehended or understood, due to depersonalization and/or derealization. It can also be used with different suffixes to denote genders they feel connected to, such as cloudmasc or cloudfem.
History
Cloudgender was coined before September 4, 2015 by tumblr user dpd-celes, possibly via mogai-lexicon.
Flags
The cloudgender flags were created on September 4th, 2015 by Pride-Flags on deviant-art (aka tumblr user pastelmemer).
The cloudmasc and cloudfem flags were coined by user Transgender Cat at an unspecified time. Both have unspecified meanings.
Resources
https://pride-color-schemes.tumblr.com/post/148085335750/cloudgender