Is this what he really said? GIF

Rollin' down the street, smokin' indo
Sippin' on gin and Jews

He speaks English just fine. He spent six years in England for God's sake.

you are right guest :D I don´t remember this moment, but as a Portuguese, by reading his lips he looks like he´s saying "injustiça"

Does it mean something like unfair?

yup, it does :)

You better be sarcastic

That was the joke.

No, we're both portuguese. His name is Cristiano Ronaldo.