Hilimia Share definition Flag Pronounced high-lee-me-uh. When you're really high and eat a lot. Alex must be suffering from hilimia because he just ate everything in the pantry and is starting on the refrigerator. Hilimia by Tosh.0 Fan July 10, 2010 0 0 Get merch Get the Hilimia mug. Buy Now — $32.95 See more merch