One who resides outside of the United Kingdom and is totally obsessed with everything British. They embrace everything that has do with Britain, including British culture, accents, movies, food, history, slang, music, etc.
Annie always wears that shirt with the British flag on it. She also is constantly watching British shows and movies and she flirts with British men online. She must be a Britophile!
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.