| spear carrier | | | |
| special delivery | | | |
| special needs | | | |
| special treatment | | | |
| spectator sport | | | |
| speed merchant | | | |
| Speedy Gonzales | | | |
| spick-and-span | | | |
| spicy tooth | | | |
| spill ink | | | |
| spill one's guts | | | |
| spill the beans | | | |
| spin a yarn | | | |
| spine-tingling | | | |
| spin out | | | |
| spirit-room | | | |
| spit in the ocean | | | |
| spit into the wind | | | |
| spit on | | | |
| spitstick | | | |
| spitting distance | | | |
| splice the mainbrace | | | |
| split on a rock | | | |
| split the baby | | | |
| split the difference | | | |
| Spock ears | | | |
| spoil somebody rotten | | | |
| spoilt for choice | | | |
| spoon bowl | | | |
| spot of bother | | | |
| spread one's legs | | | |
| spread out | | | |
| spring fever | | | |
| spring in one's step | | | |
| spring to mind | | | |
| spur of the moment | | | |
| square meal | | | |
| square one | | | |
| square shooter | | | |
| squeeze one out | | | |
| stab in the back | | | |
| stack the cards | | | |
| staff of life | | | |
| stage-door Johnny | | | |
| stage right | | | |
| stalking horse | | | |
| stand a chance | | | |
| standard fare | | | |
| stand by | | | |
| stand down | | | |
| stand fire | | | |
| stand for | | | |
| stand in for | | | |
| stand in someone's shoes | | | |
| stand in the gate | | | |
| stand one's ground | | | |
| stand on one's head | | | |
| stand on someone's shoulders | | | |
| stand on the shoulders of giants | | | |
| stand shilly-shally | | | |
| stand the test of time | | | |
| stand treat | | | |
| stand up | | | |
| stand up to one's lick log | | | |
| stand with | | | |
| staredown | | | |
| stars align | | | |
| stars in one's eyes | | | |
| start a fresh hare | | | |
| star turn | | | |
| start with a clean sheet of paper | | | |
| star vehicle | | | |
| starvin' Marvin | | | |
| statistical tie | | | |
| stay away | | | |
| stay-behind | | | |
| stay in one's lane | | | |
| stay put | | | |
| stay tuned | | | |
| steady hand on the tiller | | | |
| steal a glance | | | |
| steal someone's heart | | | |
| steal someone's thunder | | | |
| steaming hot | | | |
| steely-nerved | | | |
| stem the rose | | | |
| step back | | | |
| step forward | | | |
| step on a rake | | | |
| step over | | | |
| step up one's game | | | |
| stick by | | | |
| sticking plaster | | | |
| stick it to | | | |
| stick one's foot in one's mouth | | | |
| stick one's oar in | | | |
| sticks and stones may break my bones, but words will never hurt me | | | |
| stick the knife in | | | |
| stick together | | | |
| stick to one's guns | | | |