to s - to w
- to sack
- to sashay
- to second-guess
- to see a man about a dog
- to sell down the river
- to send down
- to set foot in
- to shack up with
- to shake a stick at
- to shake down
- to shake the dust from one's feet
- to shanghai
- to shoot one's bolt
- to shout the odds
- to sidetrack
- to skive
- to skylark
- to slay
- to sleep
- to sling one's hook
- to spatchcock
- to spend a penny
- to spill the beans
- to splice
- to split hairs
- to spoon
