[Swiped Out] An ATM or credit card that has been used […]

[switch] See: [ASLEEP AT THE SWITCH].

[switched on] {adj.}, {slang} 1. In tune with the latest fads, […]

[swoop] See: [AT ONE FELL SWOOP].

[sword] See: [AT SWORDS' POINTS], [PUT TO THE SWORD].

[sword rattling] See: [SABER RATTLING].

[sworn enemies] {n. phr.} People or groups or nations that have […]

[syllable] See: [WORDS OF ONE SYLLABLE].

[system] See: [PUBLIC-ADDRESS SYSTEM].

[T] See: [TO A T].