The Gun in Betty Lou's Handbag (1992)
The Gun in Betty Lou's Handbag is a 1992 American screwball comedy film written by Grace Cary Bickley and directed by Allan Moyle. The film stars Penelope Ann Miller, Eric Thal, Julianne Moore, William Forsythe, Cathy Moriarty and Alfre Woodard. Rock and roll recording pioneer Cordell Jackson played a bit part as "Bathroom Woman."
More at Wikipedia.