Ægirfluid (or Aegirfluid) is a fancy way of saying Genderfluid/Polygender is defined as "fluid between condigenders"
Ægirfluid was coined by tumblr user hawaiiaine (aka genderrose, mason-the-owlkin, atergender, beysgender, mogai-minecraft-snail, polysexualtea, aresgoesgender, thepancherryblossom)