Fresh Off The Boat.
It is usually used for Persians who just came from Iran, or if you even came 15 years ago and you still say E-school. or gas e-station. or Dat.
Even if you still bring Ghormeh Sabzi to school everyday for lunch.
I've never heard it any other way.
"There were so many FOBs at the Arash, Siavash and DJ Aligator concert last week!"