noun. Like humidity, but more oppressive, more fearsome, more day-of-judgment-ish.
Real citation: “you should all be ashamed of yourself... especially you jim... i knew we could expect it from the 3d'ers... but you? Ive never seen a group of people with more doomidity than this bunch.”
(April 21, 2005, Archery Talk, http://www.archerytalk.com/vb/showthread.php?t=178288)
Made-up citation: "I am gonna bring down hellfire and doomidity on your ass. Plus a side order of deep-fried pain. That'll be $100. Thank you for using our agency."