snake oil

snake oil (something that is offered as a solution to a problem or a valuable thing, but is totally worthless; advice or solutions to problems which are of no use) {US infml} — фуфло

Example: In my opinion, government measures for balancing the budget are just so much snake oil. (CIDI)

a snake-oil salesman (someone who tries to sell you something of no value) {US infml} — шарлатан;

Example: The American people are too easily deceived — the perfect target for any passing snake-oil salesman. (CIDI)

see also
[лохотрон]
[развод на бабки]
[scam]