Definition of "jackhammered" []

• Simple past tense and past participle of jackhammer. (verb)

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• "The Yankees, you'll recall jackhammered the concrete and dug up that jersey after they found it was buried there by a Red Sox fan on the construction crew."
• "Ms. Ten Eyck jackhammered the stone shelf and transformed the problematic area into a gravel courtyard."
• "A few years later, the old man took it down and jackhammered out the concrete."