MIDNIGHT OIL, BURNED THE

(informal) studied or worked very late at night. —OEC - Organization and Ethics App Mar 91

(informal) studied or worked very late at night. Well, you could make this person Acting Qualifications Secretary and then confirm it at the time when he had burned the midnight oil on all of the hat books, you see, of that Division, and at that moment, why, he would become the Qualifications Secretary.