Definition

An unexpected candidate who emerges from obscurity to win or seriously contend for nomination or office. The political equivalent of a surprise plot twist that nobody's focus group predicted.

Example Usage

The small-town mayor entered the primary as a dark horse but surged to frontrunner status after one viral debate moment.

Origin

From 19th-century horse racing, referring to a little-known horse winning unexpectedly; first political use attributed to Benjamin Disraeli's 1831 novel

Fun Fact

James K. Polk was the first 'dark horse' presidential candidate, winning the 1844 Democratic nomination on the ninth ballot when he wasn't even on initial ballots.

Source: Campaign and electoral terminology

Related Terms

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See “dark horse” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

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