Cendgender is an umbrella term for any genderfluid identity that switches between a eugender and its antigender. This could be cendboy, cendgirl, and cendnonbinary/cendenby.[1][2]
History
Cendegender was coined by an unknown through Tumblr user pride-color-schemes on July 26th of 2016.
Flags
The Cendgender flags were coined by pride-color-schemes and pastelmemer on Tuesday, 26, July 2016. The cendgender uses shades from the non-binary flag, while the cendboy and cendgirl use blue shades for masculinity and pink for femininity.