From Wiktionary, the free dictionary
coup de gueule m (plural coups de gueule)
- (informal) a roar, a bellow, a shout, a yell; a rant, an outburst, a fit of anger (a loud expression of discontent)
- Synonyms: gueulante, protestation
- pousser un bon coup de gueule ― to have a rant