My grandmother called it that - while I was young in SE Minnesota. They used to make em in Davenport Iowa is what I always heard from her. We said pop too.
my beloved great-aunt called it "the divan" and obviously she pronounced it with the longest i you've ever heard because she was the best. (no one else in the family called it that.)
Americans absolutely say sack lunch, that’s what I grew up saying. I live in a different region now and packed lunch is more common. I don’t ever hear “brown bag lunch” in the wild.
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I'll just have a soda/pop/coke and try to think of other regionalisms!
https://thelanguagenerds.com/2024/20-maps-that-show-how-americans-speak-english-totally-differently-from-one-another/