A tale of a thoroughly defiled grave and song origin...nice start.
Maybe it was Dickie Betts' amorous adventure, because he wrote the tune.
http://www.songfacts.com/detail.php?id=817
When I lived in Savannah, I would go to Drayton Tower to hang out with some of the SCAD students and I soon learned that running rampant through the cemetery downtown in the middle of the night was a popular pastime.