According to the search results, there are several answers to the question "what is a vampires favorite holiday?" Here are some of the most common answers:

• Fangsgiving: This is a play on the word "Thanksgiving" and "fangs," which are a common feature of vampires.
• Halloween: This is a popular answer, as Halloween is a holiday that is often associated with vampires and other spooky creatures.
• Other holidays: Some jokes and puns play on the idea that vampires might have a favorite holiday that is not related to their vampiric nature. For example, one joke suggests that a vampires favorite holiday is "April Ghouls Day".

Its worth noting that these answers are all based on jokes and puns, rather than any actual beliefs or traditions associated with vampires.