| sack of crap |
| sad panda |
| sail the Red Sea |
| salad year |
| salt in the wound |
| same difference |
| save by the bell |
| save it |
| save something for a rainy day |
| saw logs |
| say goodbye |
| say one's prayers |
| say what |
| scared shitless |
| scare straight |
| scholar and gentleman |
| Schwung |
| scrape along |
| scrape together |
| scratch one's head |
| scratch the surface |
| scream loudest |
| screwed up |
| screw this |
| seagull approach |
| seal the deal |
| second fiddle |
| second string |
| see a man about a dog |
| see for oneself |
| see past the end of one's nose |
| see stars |
| see the light of day |
| see through |
| see yellow |
| seize the day |
| sell bargains |
| sell down the river |
| sell like hot cakes |
| sell one's own grandmother |
| sell the family silver |
| send away for |
| send someone to the showers |
| send word |
| serve someone right |
| serve up |
| set down |
| set in motion |
| set of pipes |
| set one's heart on |
| set out one's stall |
| set the bar |
| set the Thames on fire |
| settle for |
| settle someone's hash |
| set up one's staff |
| sex on legs |
| sexual relation |
| sexy up |
| shake a leg |
| shake out |
| sham Abraham |
| shanks' pony |
| shark bait |
| sharp-set |
| sheathe the sword |
| shed light upon |
| shift the dial |
| shirtless |
| shit in someone's Cheerios |
| shit or get off the pot |
| shit-stir |
| shiver me timbers |
| shoot 'em up |
| shoot off |
| shoot one's load |
| shoot the messenger |
| short leash |
| short strokes |
| shotgun wedding |
| shoulder to cry on |
| show a clean pair of heels |
| showdown |
| show one's butt |
| show one's true stripes |
| show someone the door |
| shrinking violet |
| shut one's eyes and think of England |
| shy bladder |
| sick list |
| sick with worry |
| sift through |
| sight to behold |
| sign of the times |
| silent killer |
| silly season |
| silver spoon |
| simple as kiss your hand |
| singe one's wings |
| single-minded |