bombshell
A bombshell can refer to several things, most commonly a type of explosive device. This explosive device, also known as a bomb, is designed to detonate and cause destruction through blast, fragmentation, or a combination of both. Bombshells can vary greatly in size, complexity, and intended purpose, ranging from military ordnance to improvised explosive devices.
In a different context, "bombshell" is often used metaphorically to describe something that is shocking or surprising,
The term can also be applied to a person, particularly a woman, who is considered exceptionally attractive