Tickling your fanny bone...

Wikipedia's Article of the Day was about the Cock Lane Ghost in London. Here is the precis of the page emailed to me.

Fanny scratching in 18th-century London's Cock Lane was so notorious that interested bystanders often blocked the street. It became the focus of a religious controversy between Methodists and orthodox Anglicans, and was reported on by celebrities of the period such as Samuel Johnson. Charles Dickens referred to the phenomenon in several of his books, including Nicholas Nickleby and A Tale of Two Cities, and other Victorian authors also alluded to it in their work. One enterprising resident diverted the crowds that gathered in Cock Lane by allowing them to converse with a ghost he claimed was haunting his home, to which he charged an entrance fee. Fanny scratching eventually resulted in several prosecutions, and the pillorying of a father for encouraging his 11-year-old daughter to take part.

Bizarre.