commonly spelled flibbertigibbet
1) A capricious and unreliable person.
2) a flighty or whimsical person, usually a young
female.
3) Historically: a name for a fiend,
devil, puck or sprite.
4) Mythology: The name of a particularly obnoxious
apprentice to the Wayland (Weland) smith who was
so irritated by his apprentice threw him down a hill where he was changed into a
stone.