| set one's shoulder to the wheel | | | |
| set one's watch back | | | |
| set one's watch by someone | | | |
| set out one's stall | | | |
| set pulses racing | | | |
| set store by | | | |
| set straight | | | |
| set the bar | | | |
| set the pace | | | |
| set the record straight | | | |
| set the stage | | | |
| set the Thames on fire | | | |
| set the wheels in motion | | | |
| set the world on fire | | | |
| settle a score | | | |
| settle for | | | |
| settle in | | | |
| settle into | | | |
| settle one's account | | | |
| settle someone's hash | | | |
| settle upon | | | |
| settle with | | | |
| set to work | | | |
| set up one's staff | | | |
| set up shop | | | |
| sew buttons | | | |
| sex machine | | | |
| sex on legs | | | |
| sex pact | | | |
| sex talk | | | |
| sexual congress | | | |
| sexual relation | | | |
| sexual relations | | | |
| sexual tension | | | |
| sex up | | | |
| sexy up | | | |
| shacked up | | | |
| shadow of one's former self | | | |
| shake | | | |
| shake a leg | | | |
| shake a stick at | | | |
| shake like a leaf | | | |
| shake off the dust from one's feet | | | |
| shake out | | | |
| shake the pagoda tree | | | |
| shake the plum tree | | | |
| shake up | | | |
| sham Abraham | | | |
| shank-nag | | | |
| shanks' mare | | | |
| shanks' nag | | | |
| shanks' pony | | | |
| shape up | | | |
| shape up or ship out | | | |
| share and share alike | | | |
| shark bait | | | |
| shark-jumping | | | |
| sharp cookie | | | |
| sharp elbows | | | |
| sharp-set | | | |
| sharp tongue | | | |
| shatter the ice | | | |
| shave down | | | |
| sheathe the sword | | | |
| shed a tear | | | |
| shed blood | | | |
| shed find | | | |
| shed light upon | | | |
| shedload | | | |
| she'll be right | | | |
| shift gears | | | |
| shift the dial | | | |
| shifty | | | |
| shifty-eyed | | | |
| shimmy on down | | | |
| shirtless | | | |
| shit a brick | | | |
| shit-eating grin | | | |
| shit in someone's cereal | | | |
| shit in someone's Cheerios | | | |
| shit one's pants | | | |
| shit on toast | | | |
| shit or get off the can | | | |
| shit or get off the pot | | | |
| shit out of luck | | | |
| shit sandwich | | | |
| shit stain | | | |
| shit-stir | | | |
| shitstorm | | | |
| shit the bed | | | |
| shitting match | | | |
| shiver me timbers | | | |
| shock to the system | | | |
| shoe-leather | | | |
| shoot down | | | |
| shoot 'em up | | | |
| shoot first and ask questions later | | | |
| shoot from the lip | | | |
| shoot holes | | | |
| shoot off | | | |