swinger

plural swingers

1. One who swings.

   And now that swing appears on a certain playground in the dusk, still swinging without the swinger, who has disappeared[…]

   2009, Peter Handke, Krishna Winston, Crossing the Sierra de Gredos, page 438

2. lifestyleA person who practices swinging (sex with different partners).
3. A bet in which the bettor must correctly pick two runners to finish in any of the places in any order.
4. A performer of swing music or whose style is influenced by swing.
5. informalgovernmentA swing voter.

   Shorten went to Blacktown to try and summon the spirit of Gough Whitlam to persuade the swingers it was time for a change of government. Shorten said vote one Labor, for the future.

   2019 May 16, Katharine Murphy, “Campaign catchup 2019: close race sparks pre-election jitters”, in The Guardian

6. A swing ride.
7. hobbiesA passenger on a motorcycle's sidecar who athletically moves from one side to the other to alter the weight distribution.

plural swingers

1. One who swinges.
2. obsoleteslangAnything very large, forcible, or astonishing.

   Add ſugar, nutmeg and ginger, / VVith ſtore of ale too; / And thus ye muſt doe / To make the vvaſſaile a ſvvinger.

   1648, Robert Herrick, “Twelfe Night, or King and Queene”, in Hesperides: Or, The Works both Humane & Divine […], London: […] John Williams, and Francis Eglesfield, and are to be sold by Tho[mas] Hunt, […], →OCLC, page 377

plural Swingers

1. A surname from German.