Killing spider dream meaning may portend bad luck or restricted fortunes. In general, having a dream about a spider implies the necessity to finish a delicate and intricate task. If you dream that a spider is crawling on you and that you hit it and kill it, this indicates that you may experience health issues that might lead to hardships and bad luck in your life. Talking about the killing spider dream meaning, a spider is a sign of good fortune and should be squashed. If you kill a money spider in a dream, it could mean that you will get money, good luck, or good news. It's not uncommon to dream about spiders, particularly if you have strong feelings for them.