drop a bombshell

idiom

: to surprise everyone
She dropped a bombshell when she said she wouldn't run for reelection.

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drop a bomb
drop a bombshell
drop a brick
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“Drop a bombshell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/drop%20a%20bombshell. Accessed 8 Sep. 2025.

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