adj. In many dialects, this means "eggy". Mmm. Or is that my eggnog a la crack talking? Mmm.
Real citation: "well, the danger that is coming is the abominationistic animals from darkwood."
(Feb. 4, 2008, Shisukana Ame, http://sicarus.proboards54.com/index.cgi?board=pb2&action=display&thread=46&page=3)
Made-up citation: "These days, it's hard to tell the abominationistic beasts from the service animals and beloved pets. Every Tom, Dick, and Lassie has seven heads! I hate these fads."