| snatch defeat from the jaws of victory | | | |
| snatch victory from the jaws of defeat | | | |
| sneak out | | | |
| snedging | | | |
| sniff test | | | |
| snip-snap | | | |
| snot-nosed | | | |
| snowball in hell | | | |
| snowed under | | | |
| snow on the mountaintop | | | |
| snow out | | | |
| soaked to the skin | | | |
| soak up | | | |
| sob story | | | |
| social ladder | | | |
| sock-knocking | | | |
| sod off | | | |
| so far so good | | | |
| soften someone's cough | | | |
| soften the ground | | | |
| soft kill | | | |
| soft sawder | | | |
| soft-soap | | | |
| soft touch | | | |
| so long as | | | |
| someone's cup of tea | | | |
| someone's heart is in | | | |
| some people | | | |
| something awful | | | |
| something like | | | |
| somewhere along the line | | | |
| so much for | | | |
| son of the morning | | | |
| sort out | | | |
| sounds like a plan | | | |
| sour note | | | |
| sow one's wild oats | | | |
| spanielship | | | |
| spare someone's blushes | | | |
| spark spread | | | |
| speak of the devil | | | |
| speak out | | | |
| speak with a forked tongue | | | |
| special military operation | | | |
| specialty crop | | | |
| speed up | | | |
| spicy | | | |
| spill juice | | | |
| spilt milk | | | |
| spin one's wheels | | | |
| spit feathers | | | |
| spit nails | | | |
| spit the dummy | | | |
| split hairs | | | |
| split the breeze | | | |
| spoil market | | | |
| spoil the market | | | |
| spread oneself thin | | | |
| spread the word | | | |
| spring to life | | | |
| square away | | | |
| square peg in a round hole | | | |
| squint like a bag of nails | | | |
| stack up | | | |
| stage of the game | | | |
| stall for time | | | |
| stand behind | | | |
| stand fast | | | |
| stand from under | | | |
| stand in the gap | | | |
| stand on its own | | | |
| stand on the shoulders of | | | |
| stand tall | | | |
| stand trial | | | |
| stand up with | | | |
| starlight | | | |
| start a family | | | |
| start with a clean sheet | | | |
| starving artist | | | |
| stave off | | | |
| stay hungry | | | |
| stay the course | | | |
| steady the ship | | | |
| steal someone's identity | | | |
| steely-eyed | | | |
| stem the tide | | | |
| step into someone's shoes | | | |
| step on someone's toes | | | |
| stepping stone | | | |
| stew in one's juices | | | |
| sticker-shocked | | | |
| stick in someone's craw | | | |
| stick one's dick in crazy | | | |
| stick one's neck out | | | |
| stick out | | | |
| sticks and stones | | | |
| stick the landing | | | |
| stick to | | | |
| stick to one's knitting | | | |
| stick to one's last | | | |