have a bee in one's bonnet
idiom
informal
: to talk and think a lot about something
He always has a bee in his bonnet about safety.
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“Have a bee in one's bonnet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/have%20a%20bee%20in%20one%27s%20bonnet. Accessed 3 Nov. 2025.
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