A long distance rifle was developed by Sharps after the popularity of the first line of Sharps. The shot could be fired and not heard by the "shootee". (because of the distance) The rifle itself was called the "Widowmaker"
I've known of women running the vacumn cleaner and having fatal heart attacks. These type of heart attacks are "drop dead" heart attacks and called "Widowmaker" by physicians.
Body builders, runners and joggers have the same phenomen.
Abdominal