What is the exotic or the weirdest food you have ate?

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I'm not looking for some sort of Fear Factor thing, just real food consumed by people that is just off the hook for example monkey brains? Tell me your weirdest food eaten? Like here in my place we are fun of eating steam duck's egg with well-develop embryo (balot) but in other countries this one exotic food for them. How about you have even try to eat exotic food?