They Died With Their Boots On (1942) - Fat Little Pipsqueak

Libby (Olivia De Havilland), with servant Callie (Hattie McDaniel) is entertaining amorous on-leave cadet Custer (Errol Flynn), pretending to share his love of onions when her Michigan merchant father (Gene Lockhart), whom he earlier insulted, arrives, in They Died With Their Boots On, 1942.