foodsick Share definition Flag A word that is used when you feel sad because you are away from food back home, food you are familiar with, etc., for a long time and you miss it I sometimes feel foodsick because I haven't had food back home so long. foodsick by Molly3030 December 5, 2012 0 0 Get merch Get the foodsick mug. Buy Now — $32.95 See more merch