Anti-tastic Share definition Flag The state of an object or situation being so good that it is either painfull or detrimental. "Crack is anti-tastic." or, "It was totally anti-tastic when that robot threw your car in the lake." Anti-tastic by Thom K. July 9, 2006 0 0 Get merch Get the Anti-tastic mug. Buy Now — $32.95 See more merch