破ㄆㄛˋpò口ㄎㄡˇkǒu

  1. 口出惡言咒罵他人。《喻世明言·卷一三·張道陵七試趙昇》：「如今人為著幾貫錢鈔上，兄弟分顏，朋友破口。」《初刻拍案驚奇·卷二○》：「你這樣老豬狗！倚仗公子勢利，便欺負人，破口罵我！」

英tear or rupture, to have a tear (e.g. in one's clothes)​, without restraint (e.g. of swearing)​