Nicofish Share definition Flag Name for a small fish addicted to nicotine due to constant exposure to cigarettes. The nicofish nibbled at the ashes that fell upon the water hoping for that little burst of chemicals that make his watery life feel less dreadful. Nicofish by Inkling April 11, 2009 0 0 Get merch Get the Nicofish mug. Buy Now — $32.95 See more merch