Swinger /(?)/

Swing·er

Swinger

n.
  1. One who swings or whirls.

Swinger

n.
  1. One who swinges.
  2. Anything very large, forcible, or astonishing. [Obs. or Colloq.]
  3. A person who engages frequently in lively and fashionable pursuits, such as attending night clubs or discos.