Pork pie hat the "man-about-town", but its resurgence in the United States in the 1920s is credited to the silent film actor Buster Keaton who wore them in many of his films. The hats from his films were ones the actor made himself by converting fedoras and other hats into pork pies, creating more than a thousand in his lifetime. This kind of pork pie had a very flat top and similar short flat brim. Arguably the heyday of the pork pie hat occurred during the Great Depression. In this incarnation, the pork pie regained its snap brim and increased slightly in height.
Deadpan An example of this usage is in a scene from the 1934 film "The Gay Bride" in which a gangster tells a man on the other end of a phone conversation to "give it a dead pan" (with the emphasis on "pan"), so that the man does not inadvertently alert anyone else in the room as to the importance of what the gangster is about to say. The usage of deadpan as a verb ("to speak, act, or utter in a deadpan manner; to maintain a dead pan") is recorded at least as far back as 1942. Early in his