rain fire and brimstone UK /ˈɹeɪn ˈfaɪ.ə(ɹ)(ə)n ˈbɹɪmˌstəʊn/US /ˈɹeɪn ˈfaɪɚ(ə)n ˈbɹɪmˌstoʊn/ verb1 •To send horror or destruction.Cyrus Barron straightened to his full height and looked for all the world like some old revival preacher raining fire and brimstone on his congregation. — 2015 formsrained fire and brimstone · raining fire and brimstone · rains fire and brimstone