Yeast feast Share definition Flag A tradition were you line up yeast infected vaginas, and then proceed to eat them out. Then you choose the best vagina and then proceed to fuck it. “Bro, I just had the best yeast feast, it was soooo good, you should come sometime. Nah.” Yeast feast by Imaverybadperson April 10, 2019 Get the Yeast feast mug.