(psychology) A rapid and extreme changing in mood, from excessively happy to desperately miserable.

(US) A work shift between a day shift and a night shift, such as from 4PM to midnight, and the group of workers scheduled to work such a shift at a facility.

(intransitive) To avoid work, especially by pretending to be ill; to shirk, to malinger.

(US, baseball, softball) To swing at the ball as hard as possible, with the aim of getting a home run, increasing the chance of missing the ball.

(UK, US) An often nostalgic name for the 1960s.

Alternative form of swing for the fences

A person who does not always vote for the same political party, but usually decides on the basis of specific policies.

plural of swing vote

plural of swing voter

A vote held by a swing voter, and as such unpredictable.