The term VILLAIN'S DOING is composed of two words, EVIL and DIRTYWORK. EVIL is a four-letter word that refers to something that is morally wrong or bad. DIRTYWORK is a nine-letter word that refers to an unpleasant task or job that someone has to do. In the context of a villain's doing, it would refer to the immoral and unethical tasks that a villain would have to carry out in order to achieve their goals.