Nukewarm water Share definition Flag The very opposite of lukewarm water , water that is extremely hot Beyond comprehension. (potentially fatal) Person 1: Wow That waters hot as fuck Person 2: holy shit yeah it must be Nukewarm water. Nukewarm water by XNION December 28, 2011 0 0 Get merch Get the Nukewarm water mug. Buy Now — $32.95 See more merch