alcohol
(I happen to know one of the foremost experts on the study of the plague/pestilence which we have come to know as the Whangdoodle species. And yes, I have read her treatise on the rare, extinct, vegan, meat eating, pizza with pineapple Whangdoodle. Yellow in colour, with a delicious sweet yet meaty taste. I prefer mine without the vegan on a thin-crust base...)