Nicious Share definition Flag A word complimenting two aspects of something, commonly food. The word is broken up from two words, nice and delicious. The compliments of all compliments to chefs. The food looked as good as it tasted, it was quite nicious Nicious by bubba4327 December 11, 2010 0 0 Get merch Get the Nicious mug. Buy Now — $32.95 See more merch