Choomoonai Share definition Flag Something small and tiny. Can be used to describe something small as cute (for example a kitten). A derivative is Choomoonoonai. Awww, look at that choomoonai kitten, isn't it cute? Choomoonai by a5678 October 6, 2004 0 0 Get merch Get the Choomoonai mug. Buy Now — $32.95 See more merch