How do you get a ghost to lie perfectly flat? You use a spirit level.
What did the mother ghost say to the naughty baby ghost? Spook when you’re spooken to.
A butler came running into his important master’s office. “Sir, sir, there’s a ghost in the corridor. What shall I do with him?” Without looking up from his work the master said, “Tell him I can’t see him.”
Ghost: Are you coming to my party? Spook: Where is it? Ghost: In the morgue – you know what they say, the morgue the merrier.