stupidity, stupid thing, foolishness
No puede haber dicho tal estupidez.
He can't have said such a stupid thing.
Ésa es la mayor estupidez que he oído nunca.
That's the stupidest thing I've ever heard.
— El club de la lucha (1999)
Gracias a su estupidez, perdimos el partido.
Thanks to their stupidity, we lost the game.
Espero no haber dicho ninguna estupidez.
I hope I didn't say anything stupid.
La arrogancia es el arte de estar orgulloso de su propia estupidez.
Arrogance is the art of being proud of your own stupidity.
Deberías de estar avergonzado de tu estupidez.
You should be ashamed of your stupidity.