1) Pirates like to keep their treasure in:

Your ass
A hole in the ground

2) You walk into a biker bar and start pontificating loudly about the superiority of Vespas. What does a large man named "Rottweiller" get medieval on?

Your ass
A hole in the ground

3) Bugs bunny likes to pop up out of:

Your ass
A hole in the ground

4) In "Superman: The Movie", General Zod says something that sounds suspiciously like "You will bow down before me, Jor-El! Both you, and then one day..."

"Your ass!"
"A hole in the ground!"

5) One of the biggest attractions in America's national parks is a place where at regular intervals huge plumes of water shoot out of:

Your ass
A hole in the ground

6) Your neighbor asks you how he can be more righteous. Paraphrasing Exodus 20, you tell him he can keep his mitts off of:

Your ass
A hole in the ground