casser la gueule

beat up

→ casser
phrase Rare #23,104
beat up Very informal and aggressive. Literally, it means 'break someone's face.' Often used as a threat.
FR: Si tu continues, je vais te casser la gueule.
EN: If you keep going, I'm going to beat you up.

Le père a voulu casser la gueule de l'entraîneur, il l'a pas fait.

The dad wanted to beat the coach up, but he didn’t.

— Le Scaphandre et le Papillon (2007)

Regardons-la se casser la gueule.

Let's watch her fall flat on her face.

Je vais lui casser la gueule.

I'm going to punch him in the face.

— Memories of Murder (2003)

Tu crois que c'est un crime de casser la gueule d'un zombie?

Do you think beating the crap out of a zombie is a crime?

— Le Sifflet (2026)

Je vais te casser la gueule!

I'm going to smash your face in!

— Happy Together (1997)

Je vais lui casser la gueule!

I'm going to punch him in the face!

— Le Voleur de bicyclette (1948)

Je vais casser la gueule à Sami.

I'm going to beat Sami up.

Je sais, mais tu devrais lui casser la gueule.

I know, but you should punch him in the face.

— Do the Right Thing (1989)

Il faudrait leur casser la gueule!

We ought to smash their faces in!

— Secret Sunshine (2007)