Trying to classify something as "most exotic" is akin to trying to determine which woman is most pregnant or which fingerprint is most unique. But in the interest of science, we will look at the topic from the perspective of rarity. Which meats are the hardest to come by before you throw them on the grill and cook them up? Even though emu, alligator, rattlesnake and kangaroo are exotic, they are relatively common. These other meats, however, will cost quite a bit to put on your plate.