bombshellnoun
uk/ˈbɒm.ʃel/us/ˈbɑːm.ʃel/informalbombshell noun (NEWS)
[ C usually singular ] a sudden and often unpleasant piece of news:
My sister dropped a bombshell by announcing she was leaving her job.
bombshell noun (WOMAN)
[ C ] a very attractive person:
a blonde bombshell