Definitions of bluster:

• noun:   a violent gusty wind
• noun:   noisy confusion and turbulence

  Example: "He was awakened by the bluster of their preparations"

• noun:   a swaggering show of courage
• noun:   vain and empty boasting
• verb:   blow hard; be gusty, as of wind

  Example: "A southeaster blustered onshore"

• verb:   act in an arrogant, overly self-assured, or conceited manner
• verb:   show off