From Longman Dictionary of Contemporary Englishbreathe firebreathe fireANGRYto talk and behave in a very angry way → live and breathe something at live1(19) → breathe
Examples from the Corpus
breathe fire• Ready to roar.Cricket's young dragons learning to breathe fire.• Opposed, he could breathe fire; contradicted or challenged, he could put up his fists and fight.• Some of us need bosses and editors breathing fire down our necks.• What is it that breathes fire into the equations and makes a universe for them to govern? 