talk like an apothecary verb1 •(slang, no longer used) To prattle.As to Clement of Alexandria, I shall pass him by, as he knew nothing about the matter. He talks like an apothecary on the subject; and when did ever an apothecary talk to any purpose? — 1824 formstalked like an apothecary · talking like an apothecary · talks like an apothecary