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1.
The tendency to collect multiple variants of something. This term is easily applied to action figures of Iron Man which have a lot of variants.

Can be also called the IMS or IM Syndrome.
Guy 1: Dude, you have chuck taylors in six different colors?

Guy 2: What? It's cool.

Guy 3:That's the Iron Man Syndrome talking, man.
by Jelsan March 01, 2009