A term used to indicate that someone is unbalanced and/or needs to seek medical attention for a mental disorder.

This term is a play on 'Vanity Fair', which is a very popular American magazine of culture, fashion, and politics published by Condé Nast Publication - known for interesting/controversial pictorials and cover photos (hence the the way it's used - see example).

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.