bluster

A swaggering show of courage.

Vain and empty boasting.

A violent gusty wind.

Noisy confusion and turbulence.

“he was awakened by the bluster of their preparations”

Show off.

Act in an arrogant, overly self-assured, or conceited manner.

Blow hard; be gusty, as of wind.

“A southeaster blustered onshore”

“The flames blustered”