Celestial Defecation Share definition Flag It's when you shit so good it makes you feel pleasure from it. I did a Celestial Defecation today, stayed in the toilet for hours. Celestial Defecation by Thermonuclear Diarrhea August 9, 2016 0 0 Get merch Get the Celestial Defecation mug. Buy Now — $32.95 See more merch