ambimitrous Share definition Flag Showing no particular preference out of the rival yeast spreads Vegemite (Australia) and Marmite (New Zealand). "I hope you don't mind? We've only got Vegemite.""It's okay, I'm ambimitrous." ambimitrous by The Sharn King August 21, 2011 0 0 Get merch Get the ambimitrous mug. Buy Now — $32.95 See more merch