Sacred cow
Safe pair of hands - A
Safe sex
Salad days
Salt of the earth - The
San fairy Ann
Sandwich short of a picnic
Save face
Save one's bacon
Saved by the bell
Savoir faire
Say cheese
Say goodnight Gracie
Scarper
Scot free
Scott (Sir Walter - phrases coined by)
Screw your courage to the sticking place
'Scuse me while I kiss this guy
Sea change
Sealed with a loving kiss
Season of mists and mellow fruitfulness
Second-guess
Security blanket
See red
Seen better days
Send packing
Senior citizen
Sent to Coventry
Separate the sheep from the goats
Set one's cap at
Set your teeth on edge
Sex and shopping
Seven-year itch
Sexton Blake
Shebang - The whole
Shaggy dog story
Shake a leg
Shakers and movers
Shakespeare (phrases and sayings of)
Shall I compare thee to a summer's day?
Shambles
Shanks' mare/shanks' pony
Share and share alike
Shilly-shally
Ship shape and Bristol fashion
Shit end of the stick - The
Shit for brains
Shiver my timbers
Short end of the stick - The
Shot across the bows
Shot heard 'round the world - The
Shot in the arm
Shot in the dark
Shoot through
Short shrift
Show a leg - see shake a leg
Show your mettle
Shuffle off this mortal coil
Shut your cake-hole
Siamese twins
Sick puppy (A)
Sight for sore eyes (A)
Silly Billy
Silly season
Silver lining - every cloud has a
Sir Walter Scott (phrases coined by)
Silence is golden
Silver bullet
Similes
Sixes and sevens - At
Skeleton in the closet
Skid row
Skin and blister
(By the) skin of your teeth
(The) sky's the limit
Sledgehammer to crack a nut - A
Sleep like a top
Sleep on a clothesline
Sleep tight
Sloane Ranger
Slush fund
Smallest room in the house - The
Smart casual
Smoke and mirrors
Snug as a bug in a rug
So sue me
Soap-dodger
Sod's Law
Sold down the river
Some are born great, some achieve greatness, and some have greatness thrust upon 'em
Some men are born mediocre, some men achieve mediocrity, and some men, have mediocrity thrust upon them
Someone is walking over my grave
Something for the weekend sir?
Something old, something new, something borrowed, something blue
Son of a gun
Sorry sight
Sound bite
Sound out
Sour grapes
Space, the final frontier
Spare the rod and spoil the child
Speak of the Devil
Speak softly and carry a big stick
Special relationship
Spelling-bee
Spend a penny
Spick and span
Spill the beans
Spin doctor
Spitting feathers
Spitting image
Spring forward, fall back
Spruce-up
Square meal
Squeaky bum time
Stand and deliver
Stand up guy
Standing on the shoulders of giants
Star-crossed lovers
Stark, raving mad
Stars and garters - My
Start from scratch
Steal a march
Steal my thunder
Stick in the mud
Sticks and stones may break my bones
Sticky wicket
Stiff upper lip
Stiffen the sinews
Stinking rich
Stitch in time saves nine - A
Stone the crows
Stone's throw
Stony-hearted
Stool pigeon
Storm in a teacup
Straight as a die
Straight from the horse's mouth
Strain at the leash
Strait-laced
Strait and narrow
Stranger danger
Stranger than fiction - Truth is
The - Straw that broke the camel's back
Strike while the iron is hot
Stuff and nonsense
Stump up
Such is life
Surf and turf
Surfing the Net/surfing the Internet/surfing the Web
Survival of the fittest
Suspension of disbelief
Swan song
Sweet Fanny Adams
Swing for you
Swing the lead
