Fake Floydian
A person who pretends to be a fan of the British rock band (the) Pink Floyd (sound), because they think it Is hip or cool; usually girls trying to get attention or otherwise note from guys. To determine if they are a true Floyd fan, just ask who Syd Barrett is.
Man, I started dating her, and it was great 'cause she liked all my music, but on further inspection, she was a Fake Floydian