Ghost avocado.
A: Because you can't see through walls, and you can't see anything at night anyway.
Damn! (This is my go-to joke that someone told me in highschool like 7 years ago. Felt like sharing it.)
A: The Outside.
The outside
With a police car, the pricks are on the inside
Probably clawing at the inside of his coffin.
A handful of sheet.
A: Scary Christmas!
Guacamole.