Diras (en. You will say)

/diˈras/

Slang Meanings

In a joking or sarcastic tone, to make a spectacular announcement.
When I see you, you will say you won the lottery.
Cuando te vea, dirás que has ganado la lotería.
To assert something emphatically.
If I tell you, you will say it is true.
Si te lo digo, dirás que es cierto.