Definition

A political issue so controversial and dangerous that touching it means instant career death, named after the electrified rail that powers subway trains. Social Security reform is the classic example that politicians approach like it's literally radioactive.

Example Usage

Proposing cuts to Medicare is the third rail of American politicsโ€”one touch and your political career is fried.

Origin

American political metaphor from the 1980s, referencing the electrified rail in subway systems that delivers fatal shocks.

Fun Fact

The phrase became common after Democrats successfully used Social Security as a campaign weapon against Republicans in the 1982 midterms, establishing it as untouchable.

Source: Political campaign strategy terminology

Related Terms

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See “third rail” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

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