culotte, pantalon
You're too big for your britches.
Tu te crois vraiment tout permis.
Since his last victory, he's been too big for his britches.
Depuis sa dernière victoire, il se croit sorti de la cuisse de Jupiter.
Eddie, you're too smart for your own britches.
Eddie, tu te crois vraiment plus malin que tu ne l’es.
— Do the Right Thing (1989)
The little fart's getting too big for his britches!
Ce petit merdeux se croit vraiment tout permis !
— City of God (2002)