Sentence:  Among McPherson's most passionate and visible advocates were Southern California's young <WSD>flappers</WSD>, who turned out in droves to cheer on the evangelist. While most fundamentalists vehemently criticized <WSD>flappers</WSD>, viewing them as symbols of moral decay and the decline of Victorian gender identities, McPherson had embraced them. Critics of her Bible college identified the young female ministers with whom she surrounded herself not as holdouts to Victorianism, but as outright <WSD>flappers</WSD>. The press even dubbed one of McPherson's most successful young protégés the <WSD>flapper</WSD> evangelist. 
Meaning of the word marked with <WSD> tags:  A young woman, especially when unconventional or without decorum; now particularly associated with the 1920s. (from 19th c.)