A disease which is transferred by exposure to art-sharing websites, undertale, and any game that you can fangirl over.
by uhhhh.wav December 17, 2018
Fangirlioma is a rare disease that usually targets fan girls. Don't worry, it's only Sans Undertail fan girls that make cringe content on YouTube. Animations using Flip-A-Clip have a higher risk of Fangirlioma.
by REEEhoneybuns April 08, 2019