Why didn't the skeleton dance at the party?
He had no body to dance with.
What do ghosts say when something is really neat?
Ghoul
What kind of tie does a ghost wear to a formal party?
A boo-tie.
Why did the game warden arrest the ghost?
He didn't have a haunting license. 
Where did the goblin throw the football?
Over the ghoul line. 
What do you call a goblin who gets too close to a bonfire?
A toasty ghosty. 
What kind of makeup do goblins  wear?
mas-scare-a