widow-maker
/ˈwɪdəʊˌmeɪkə(r)/noun
1- informal a thing with the potential to kill men〈非正式〉寡妇制造者, 危及男人生命的事物。
1.1
- Canadian a dead branch caught precariously high in a tree which may fall on a person below〈加〉挂在树上的危险断枝。