bravado

A swaggering show of defiance or courage.

The angry customer stood in the middle of the showroom and voiced his complaints with loud bravado.

For a bravado he had the organ taken down and conveyed to his father's house, where he had it put up in the chamber where it now stands. It was also for a bravado that he played on it every day. But, by−and−by, the amount of time which he spent at it daily began to increase rapidly.

A superficial show of courage.

A swaggerer; a braggart.

To swagger; to brag.