Hallowgender is described as an aesthetigender related to the fun and silly parts of Halloween. It is the opposite of Halloweencoric.
History
The term Hallowgender was coined asukazeppelinsoryu on tumblr, on October 5th, 2014.
Flag
The first flag for Hallowgender was coined by an unknown, and posted on Pride-Flags deviantart on June 9, 2017. The second flag was coined by tumblr user euclidxxi on February 14, 2018.