pasar de castaño oscuro

Literally, “to surpass the dark chestnut color”.

pasar de castaño oscuro (first-person singular present paso de castaño oscuro, first-person singular preterite pasé de castaño oscuro, past participle pasado de castaño oscuro)

1. (idiomatic) to be beyond a joke; to go too far

• clamar al cielo

• “pasar de castaño oscuro algo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025