Dick Shart
A complication of a colovesicular fistula or CVF where an abnormal connection occurs between the bowel and bladder allowing bowel contents to enter the bladder and come out the dick. It is a complication of diverticulitis or Crohns disease
Harry was doing his famous Dick the Dragon routine by lighting a dick fart when the performance came to an abrupt end with the appearance of an unexpected Dick Shart