Vocagender or Vocaloidgender is a gender directly tied to the vocaloids that exist as avatars for voicebanks of the Vocaloid software. Being vocagender/vocaloidgender means that a person feels that their gender is connected to or influenced by a certain vocaloid, vocaloids, or by vocaloids in general.
Flags
The first flag represents Hatsune Miku, Kasane Teto and Akita Neru, from the Vocaloid song "Triple Baka". The second flag has stripes representing Hatsune Miku, Kagamine Rin, Kagamine Len, other vocaloids, Kaito, Megurine Luka, and Meiko.