Every fast food fan has their favourites, whether it's a longstanding classic, a limited-edition offering that makes rare reappearances or an item that's now disappeared from menus altogether. But what about the worst fast foods ever released? From poorly rated staples to discontinued flops and downright weird creations, we’ve rounded up the world’s least-favourite fast food offerings.

Click or scroll through our gallery to discover the worst fast food items of all time, counting down to the biggest flop of all. How many have you tried?

This list was compiled considering reviews, studies, popular opinion and the opinions of our well-travelled (and well-fed) team. The list is unavoidably subjective.

The biggest fast food failures of all time, ranked