| stuffed like a turkey | | | |
| stuffed shirt | | | |
| stuffed to the gills | | | |
| stuff it | | | |
| stuff one's face | | | |
| stuff the ballot box | | | |
| stuff you | | | |
| stumbling block | | | |
| stumbling-block | | | |
| stump it | | | |
| success story | | | |
| suck a big one | | | |
| suck a lemon | | | |
| suck and blow | | | |
| suck donkey balls | | | |
| suck down | | | |
| suck dry | | | |
| suck face | | | |
| suck hind tit | | | |
| suck in | | | |
| suck it | | | |
| suck it up | | | |
| suck my balls | | | |
| suck my cock | | | |
| suck my dick | | | |
| suck on that | | | |
| suck the kumara | | | |
| suck the mop | | | |
| suck tits | | | |
| suffer fools gladly | | | |
| suffer in silence | | | |
| sugar and spice | | | |
| sugar and spice and everything nice | | | |
| sugarcoat a bitter pill | | | |
| sugar coated | | | |
| sugarcoated | | | |
| sugarcoat the pill | | | |
| sugar-plum | | | |
| suit down to the ground | | | |
| suit one's book | | | |
| suit the action to the word | | | |
| summer and winter | | | |
| Sunday best | | | |
| Sunday driver | | | |
| Sunday-go-to-meeting clothes | | | |
| sunshine and rainbows | | | |
| sun worshipper | | | |
| supposed | | | |
| supposed to | | | |
| sure enough | | | |
| surf's up | | | |
| suspended congress | | | |
| suspend one's disbelief | | | |
| Sussex Drive | | | |
| swaddling clothes | | | |
| swallow a bitter pill | | | |
| swallow one's pride | | | |
| swallow the dictionary | | | |
| swallow the leek | | | |
| swan song | | | |
| swap horses in midstream | | | |
| swear by | | | |
| swear off | | | |
| sweat bricks | | | |
| sweat bullets | | | |
| sweat equity | | | |
| sweat of one's brow | | | |
| sweat the small stuff | | | |
| sweep aside | | | |
| sweep away | | | |
| sweep out | | | |
| sweep someone off their feet | | | |
| sweep something under the rug | | | |
| sweep the board | | | |
| sweep the deck | | | |
| sweet dreams | | | |
| sweeten the pill | | | |
| sweeten the pot | | | |
| sweeten up | | | |
| sweet fuck all | | | |
| sweetheart deal | | | |
| sweet hereafter | | | |
| sweet Jesus | | | |
| sweet Mary | | | |
| sweet Mary mother of God | | | |
| sweet-natured | | | |
| sweetness and light | | | |
| sweet nothings | | | |
| sweet smell of success | | | |
| sweet summer child | | | |
| sweet-talk | | | |
| sweet tooth | | | |
| sweet-toothed | | | |
| sweet young thing | | | |
| swell up | | | |
| swim upstream | | | |
| swim with sharks | | | |
| swing and a miss | | | |
| swing back | | | |
| swing both ways | | | |