h2obliterator Share definition Flag A delicious beverage consisting of 2 parts hydrogen and 1 part water. "My favorite drink is a mudslide." "I'll take a h2obliterator any day." h2obliterator by DesPERRYado October 16, 2005 0 0 Get merch Get the h2obliterator mug. Buy Now — $32.95 See more merch