kurd or curd = corn stalks?

[David Bergdahl]

My wife retired and is volunteering in a talented & gifted class for
5th-graders in an Athens elementary school including some smart kids from
Chauncey, OH.  They were talking abt the groups in Iraq and when she
mentioned the Kurds two girls laughed and said that's the corn after you're
done eating it (leftover cobs & husks).  DARE didn't have anything like
this--any clues?

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