Zelda
noun
1
a girl or a woman, especially if dull or uninteresting. Possibly after Zelda Fitzgerald (1900–48) with the suggestion that the name is dull and old-fashioned; Zelda Fitzgerald was herself named after the character of a gypsy queen in a romantic novel US, 2002.
2
a high school girl who is a socially inept outcast US, 1961.
3
a witch. Perhaps from the character Aunt Zelda, a 2000-year-old witch in Sabrina, The Teenage Witch, from a 1962 comic book creation, subsequently in animated and live-action television series UK, 2002