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Like a McGangbang but you put a Burger King Whopper in between your McDonald's double cheeseburger. Just like Dr Frankenstein took the parts of many different dead people to create his monster, the McFranKingstein is an unholy amalgamation of two fast fooderies that only the brave dare put together.
"So you went to two fast food places for dinner? Wow that's dedication." "Yep, I'm making a McFranKingstein"
by Monster49875-21 August 27, 2009
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