By now you've probably heard about the Halloween Whopper, Burger King's limited edition burger that features a black bun. Early reviews indicate that it tastes just as delicious as a regular Whopper, and makes for a festive reimagining of a fast food classic just in time for the spooky holiday. 

Unfortunately, it also apparently turns your poop green. 

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Social media has been flooded with complaints from people who have been suffering from the same mysterious fate. 

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https://twitter.com/Danny_Seth/status/650690630335619073?ref_src=twsrc%5Etfw[/twitter]

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Some people found this to be an exciting new biological development. 

And as often happens on the Internet, people started to join in so as not to miss out on this unexpected trend. 

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If you want to gauge just how green the poo is, you can check out an alleged sample. But be warned that it is very graphic and very green. 

Or you can just try the Whopper yourself and take your chances. Just keep a bathroom handy. 

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We (courageously) tried the burger in question. Find out what we thought by adding us on Snapchat—@delishdotcom—and watching our story.  

H/T BuzzFeed

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