Spanish phrase
Tú lo has dicho.
Meaning
You said it.
When to use it
Strong agreement that restates someone else's statement. Casual and friendly, used to strongly endorse what the other person just said.
Example dialogue
Este plan es perfecto para el fin de semana.
This plan is perfect for the weekend.
Tú lo has dicho, vamos a reservar las entradas.
You said it, let's book the tickets.