(From the book, Semper Fi, MAC: Living Memories of the U.S. Marines in WW II, by Henry Berry, Quill, 1982, Ch, The Old Breed, conversation WO Joseph Crousen and SgtMaj Francis McGrath, page 34)
"Don't get too chesty, captain," he'd say. 'Don't get too chesty"
"Chesty," you see, was an old Marine expression meaning cocky. That's how Lewis Puller got the nickname "Chesty," even though most of the old timers always called him Lewie."