(Noun) An empty, idle boaster; a swaggerer. The talk of such a person, empty vaunting.
“A Berlin reviewer wrote of the film that ‘there is an outpouring of more unbearable braggadocio here, more bloated bamboozlement and deceit than in a score of Hitler rallies.'”
Steven Bach, Leni: The Life and Work of Leni Riefenstahl, 2007.