snake oil
noun
1 snake oil
medicine Any of various liquids sold as medicine (as by a travelling medicine show) but medically worthless.
Roget 670: preservation; safe-keeping; conservation etc. (storage) 636; maintenance, support, susteritation†, conservatism; vis conservatrix†; salvation etc. (deliverance) ... show more
2 snake oil
Communication (written or spoken) intended to deceive.
synonym: humbug.
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