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Johnny-one-note

(idiomatic, chiefly, North America) An opinion or viewpoint on a single subject or a few particular subjects which is frequently expressed by a person or organization.

ˌd͡ʒɔnʃəˈnɑnitDocumented since 1930s1930sSilenthistorical117 viewsLast reviewed Jun 29, 2026+ Add a definition
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Born ~1937 · no dated citations yet
1937BornToday, 2026

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#1·Apr 27, 2026

(idiomatic, chiefly, North America) An opinion or viewpoint on a single subject or a few particular subjects which is frequently expressed by a person or organization.

Whether his boss (Hearst) had told him to get off his Johnny-one-note of hate toward labor leaders, foreigners and New Dealers, or whether Pegler had decided all by himself to change his tune, no one knew.
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#2·Apr 27, 2026

(idiomatic, chiefly, North America) A person (or organization) who often expresses a strong opinion or viewpoint on a single subject or a few particular subjects.

Whether his boss (Hearst) had told him to get off his Johnny-one-note of hate toward labor leaders, foreigners and New Dealers, or whether Pegler had decided all by himself to change his tune, no one knew.
Origin: Derives from the show tune Johnny One Note, from the Rodgers and Hart musical Babes in Arms (1937), in which the lyrics tell a story of a male vocalist named Johnny who sang with a band and could sing only one note, but sang that note extremely well. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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