Woman uses pencil in self pleasure

A 264-pound woman presented herself at a German hospital with an usual problem. Not only did she have two pencils floating free in her bladder, she was the one who put them there.
She enjoyed the esoteric pleasure of inserting pencils into her urethra, and she had an unfortunate tendency to push things a bit too far.

Source: The Journal of Urology, 157:1842, May 1997