Iffeegender is a xenogender that is a part of the CB System, in which one has a gender that is only felt when drinking cold coffee, or fluctuates/changes when drinking cold coffees.
History
The term was coined on November 22nd, 2020 by a user going by Artemis.
Flag
The flag was made by Artemis on November 24th, 2020. The mug represents coffee, and the shades of blue represent coolness.