Morbastic Share definition Flag Morbastic (derived from "Morbius") is an adjective used to describe something which is infinitely fantastic. -Hey, have you seen Morbius? -Yes, it was morbastic! Morbastic by Morbiously-Morbius May 26, 2022 0 0 Get merch Get the Morbastic mug. Buy Now — $32.95 See more merch