Earlier, I've seen the newest episode of MLP:FiM "One Bad Apple", which featured the Cutie Mark Crusaders trying to get back at a bullying who's tormenting them. Anyway, as part of their schemes, they get a bunch of gold powder for painting, and it briefly has Sweetie Belle covered in this golden powder.
From the color of the gold, it reminded me of golden plastic. Then, had the idea of making a Gold Plastic Syndrome (or GPS) joke.
Don't know what GPS is? Gold Plastic Syndrome is a condition in toys that use this type of material to become very brittle and breaks easily. It was very commom in Transformers G2 series (for more info, go here: [link]
MLP:FiM created by Lauren Faust
MLP:FiM and Transformers owned by Hasbro (also Takara)