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drop a bombshell
drop a bombshell
(British, American & Australian) also drop a bomb (American) to suddenly tell someone a piece of news that upsets them very much My sister dropped a bombshell by announcing she was leaving her job. Her husband dropped a bomb over dinner. 'I'm seeing another woman,' he said.
drop a bombshell
Make an unexpected or shattering announcement. For example, Bill dropped a bombshell when he said he was quitting. This expression, which alludes to the destruction caused by a falling bomb, dates from World War I.