A person that was born in the US, but spent a big portion of their life in a foreign country before coming back to the US. Native foreigners tend to act like real foreigners with US papers.
Duder 1: "So-a I come-a to this-a country with $5 and I am-a going to a make-a millions rapping."
Duder 2: "Dude were you born in Italy? You sound so foreign especially when you rap."
Duder 1: "No doggy, I was straight born in Miami son!"
Duder 2: "Damn! You are one native foreigner for sure doggy."