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- drop a bomb
drop a bomb
drop a bomb(shell)
and explode a bombshell; drop a brickFig. to announce shocking or startling news. They really dropped a bombshell when they announced that the mayor would resign. Friday is a good day to drop a bomb like that. It gives the business world the weekend to recover. They must choose their words very carefully when they explode a bombshell like that. They really dropped a brick when they told her the cause of her illness.