chesty

Adjective

• having or showing feelings of unwarranted importance out of overbearing pride
  • an arrogant official
    
  • arrogant claims
    
  • chesty as a peacock
    

• marked by a large or well-developed chest
  • he was big-chested, big-shouldered and heavy-armed
    

Related words

• Synonyms: 
  arrogant , self-important , big-chested