Why the bun? I get the rest, but I don't understand the bun, thing. Buttery corn on the cob doesn't have a bun. What does it mean?

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+1 y
I just kicked the cyber Foodie bot to the curb. Why doesn't everyone do that?
Why the bun? I get the rest, but I don't understand the bun, thing. Buttery corn on the cob doesn't have a bun. What does it mean?
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