ガス抜き

Meanings

1. Noun, Suru verb, Intransitive

   degassing; gas drainage; gas venting; punching down (dough); emptying (an aerosol can)
2. letting off steam; giving vent to one's frustrations; cooling off

• 怒いかりが爆発ばくはつする前まえに、ガス抜ぬきしなきゃ。

  I have to let off some steam before I explode with anger.