look up any word, like bukkake:
 
1.
Such in the case of the classic fairytale, Cinderella, F.G.S. is the overwhelming urge and want to help out those less fortunate, usually if they are in desperate need for caring or guidance. Sometimes being used as a substitute for having a stable, romantic relationship with someone themselves, the caregiver themselves may feel the need to latch onto the dreams and aspirations of the person they're helping, as well as in some cases even develop a slight romantic interest for the subject they're helping.
The poor girl's F.G.S. (Fairy Godmother Syndrome) practically compelled her to help out all her friends, only to soon find each one of them living happily ever after, and no one to help her in her darkest hour.
by Dr. Faux January 17, 2011