Female to Male transexual. The transition that involves taking male hormones, electing for top (breast removal) surgery, but doesn't always indicate bottom (penis attachment) surgery. Some Amy Johns may take testosterone and have top surgery, yet don't consider themselves transexual, or even male-identified.
Beware of this sheep, she is quite the Filching Mort. Her aim is older, wealthy men with unlimited resources. She will carry on like an innocent school girl without a cause, until she has exhausted all of his funds, then the party is over.