口こう角かく泡あわ

noun

frothing at the mouth

Literally 'foam at the corners of the mouth'; used to describe someone speaking with great excitement or anger, often in the phrase 口角泡を飛ばす.

• 彼かれは口こう角かく泡あわを飛とばして議ぎ論ろんした。

  He argued vehemently, frothing at the mouth.