| 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 |