Flapper /(?)/

Flap·per

Flapper

n.
  1. One who, or that which, flaps.
  2. See Flipper.
  3. A flat object used to make a flapping noise by striking another object.
  4. A flat and broad object hanging from a larger object, either flexible like rubber or hinged to allow a swinging motion; a flap.
  5. A young woman who dresses in a modern, stylish manner and behaves unconventionally in social situations; -- a term used especially to refer to young women during the 1920's and their peculiar style of dress.

Phrases & Compounds
Flapper skate
a European skate (Raia intermedia).