flibbertigibbet
Pronunciation:
/ˌflɪbətiˈdʒɪbɪt//ˈflɪbɚtiˌdʒɪbɪt/noun
Definitions
An offbeat, skittish person; especially said of a young woman.
A flighty person; someone regarded as silly, irresponsible, or scatterbrained, especially someone who chatters or gossips.
An imp, a fiend.