| Idiom | Meaning | Example |
| a slippery slope |
a path that leads to problems, a risky plan
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Nationalism is a slippery slope. It often leads to racism.
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| a slow day |
not productive, not many customers
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Tuesday is a slow day in the car market - very few sales.
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| a slug |
a group, a bunch
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A slug of bats hung from a rock jutting out of the cave's ceiling.
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| a snap |
(See it's a snap)
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| a snootful |
a lot to smell or drink, get wind of
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When the coyotes get a snootful of our campfire, they'll run.
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| a snow job |
a false story, a phony deal, a rip-off
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I knew it was a snow job. They said if I ordered some pens, I'd receive a new TV.
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| a snowball's chance in hell |
little or no chance to succeed
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If I write the test now, I won't have a snowball's chance in hell.
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| a soft touch |
a person who will not refuse, an easy mark
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Barry's a soft touch. Let's ask him for a loan.
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| a spot of tea |
a small cup of tea, a drink of tea
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When I visit Mrs. Smith, we always have a spot of tea.
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| a state secret |
(See it's not a state secret)
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