bra·va·do 
(brə-vädō)
(brə-vädō)n. pl. bra·va·dos or bra·va·does
A show of bravery or defiance, often in order to make a false impression or mislead someone.
[French bravade and Old Spanish bravada, swagger, bravery, both ultimately from Vulgar Latin *brabus, brave; see BRAVE.]