A franceman
A person who thinks they’re so French that even the French are jealous of them.
He said he was a Franceman so good that even the French called him ‘not real’ and that was a compliment.
She told her friends that the French were jealous of her because she was a Franceman and that was a real thing.
He claimed he was a Franceman so good that even the real Frenchmen were like ‘nope, not you’.