I had every intention of filling this post with grand historical facts about the origin of the cake and it's namesake cousin, the Mississippi Mud Pie. However, a cursory search of the internet didn't yield much to pass on beyond the obvious: a rich chocolate, brownie-like cake smothered in melted marshmallows and chocolate glaze is alot like sticky mud...the mud around the Mississippi River, in particular. So, there you have it in a pretty anti-climactic nutshell.
But, after digging a little deeper it seems that based on the cake's puzzling name, the ingredients of the cake are cause for speculation over any symbolism their inclusion in the recipe has. Throughout the articles and posts I read, the ideas tossed around discussing the cake's bit and pieces went a lot like this: