Entry 4 senses · 2 variants Webster, 1913 Swinger /swĭng'-ẽr/ · Swing·er · IPA /ˈswɪŋəɹ/ n. n. 01 n. One who swings or whirls. 1. One who swings or whirls. 02 n. One who swinges. 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.