Open English Wordnet
Adjectives
(s)big-chested, chestymarked by a large or well-developed chest“he was big-chested, big-shouldered and heavy-armed”
(s)arrogant, chesty, self-importanthaving or showing feelings of unwarranted importance out of overbearing pride“an arrogant official”, “arrogant claims”, “chesty as a peacock”