Like seemingly every year before it, 2013 saw some interesting fast food developments. Some chains threw common sense out the window for extra fat, flavor, and EXTRA BIG ASS AWESOME, while others modestly refined and improved some of their standard menu items, including two significant fry overhauls.

Though the results weren't always tasty (a lot of them were pretty damn terrible), they were certainly entertaining. Without further ado, here's some of the best and worst fast food we ate this past year.

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