Originally Posted by
narvik
That would be "hidden city" or "skiplagging". Should work for the sake of the 144-hour TWOV, but the consensus is that (depending on route and layover times) it is easier to do with no checked luggage. Also, you shouldn't do it too often with the same airline.
The OP would have a theoretical seven hour layover in NGB, so even if customs doesn't take place there, short checking (e.g. in order to access clothes/stuff) should be an easy case to make upon check-in.