The Collaborative International Dictionary of English v.0.48:

Swinge \Swinge\, v. t. [imp. & p. p. Swinged (sw[i^]njd); p.
   pr. & vb. n. Swingeing (sw[i^]nj"[i^]ng).] [OE. swengen,
   AS. swengan to shake, causative of swingan. See Swing.]
   1. To beat soundly; to whip; to chastise; to punish.
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            I had swinged him soundly.            --Shak.
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            And swinges his own vices in his son. --C. Dryden.
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   2. To move as a lash; to lash. [Obs.]
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            Swinges the scaly horror of his folded tail.
                                                  --Milton.
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