Definition of swings:
(v) :
(intransitive) To ride on a swing.
(v) :
(intransitive) To rotate about an off-centre fixed point.
(v) :
(intransitive) To dance.
(v) :
(intransitive, sex) To participate in the swinging lifestyle; to participate in wifeswapping.
(v) :
(intransitive) To hang from the gallows; to be punished by hanging, swing for something or someone; (often hyperbolic) to be severely punished.
(v) :
(intransitive) To fluctuate or change.