Johnny One-Note

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Johnny One-Note

Someone who repeatedly expresses or maintains a strong opinion on a single or a few particular subjects. Primarily heard in US, Canada. Every time I get together with Janet, she gets into some rant about how much she hates the government. She's become such a Johnny One-Note lately!
See also: johnny
References in periodicals archive ?
Don't Rain On My Parade (from Funny Girl) and Johnny One-Note (Rodgers and Hart) also provided an element of foot-stomping fun.
These results are similar to those found by Stern Stewart, as reported by Judith Dobrzynski in her New York Times article, "Why the Market Likes Johnny One-Notes and Is Skeptical of One-Man Bands.
Judith Dobrzynski, "Why the Market Likes Johnny One-Notes and Is Skeptical of One-Man Bands," The New York Times, 8 October 1995, Section 3, p.