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1.
An eating disorder that only proceeds a month before Halloween. Mainly occuring in young women, characterized by a self-induced starvation in order to look hot in their slutty Halloween costumes. Halloweenorexia ends the following day and is usually followed by a food binge.
Giovanna: Did you see Sabreena in her lingerie outfit on Halloween?

AunaLee: Ya she lost so much weight! She looked bomb!

Giovanna: She'll gain it all back, she suffers from Halloweenorexia.
by Gio, Sab, Laur, Jen, Auna February 10, 2010