Why did the vampire use mouthwash? Halloween Jokes Why did the vampire use mouthwash? He had bat breath. 👍 Upvotes: 1 More Halloween Jokes How do you make a skeleton laugh? How do you fix a jack-o-lantern? Why are ghosts such bad liars? What is a vampire’s favorite holiday? Why kind of pants do ghosts wear? What is a vampire’s favorite fruit? See all Halloween Jokes →