lo dice en serio

means it

→ lo
phrase Rare #46,374
means it The subject is often omitted, so the phrase can mean “he,” “she,” or “they mean it.”
SP: No te preocupes, lo dice en serio.
EN: Don’t worry, they mean it.

Lo dice en serio, ¿sí?

He means it, right?

— Y tu mamá también (2001)

Lo dice en serio.

He means it.

Ella lo dice en serio.

She means it.

No lo dice en serio.

He doesn’t mean it.

— La Empleada (2025)

Lo dice en serio?

Are you serious?

— Systemsprenger (2019)

Creo que lo dice en serio.

I think he means it.