widow-maker

Short definition from Wiktionary

Noun

1. 1
   Something which or someone who takes a person's life, particularly men; a lethal hazard that affects mostly men or is specific to a primarily male trade.
2. 2
   The detached or broken limb of a tree, a hazard to those walking underneath.
3. 3
   An occlusion of the left coronary artery or its anterior interventricular branch; which is likely to cause a fatal heart attack.
4. 4
   The Lockheed F-104 Starfighter.
5. 5
   Alternative form of widow-maker.