A man runs out of gas while driving through rural Iowa...
His cell phone dead, he walks along the highway until he finds a farmhouse. He knocks on the door, and an old farmer offers to fuel up his car after they finish dinner, which he kindly invites him to.
While enjoying his meatloaf and company of the farmer and his wife, the man looks out the window and sees a one-legged pig wriggling around in the mud like a earthworm.
"Say if you don't mind me asking," says the traveller, "what's the s…