hokey Dinah other. an exclamation of surprise or marvel. Etymological Note: Perhaps a form of the slightly more common holy Dinah, though the Oxford English Dictionary has an entry for hokey, hoaky, defined as “a petty oath, or asservation.” Citations show a common form to be by the hokey which dates at least as far back as 1825. (source: Double-Tongued Dictionary)
Further reading
Do you refer to your dog or cat as “somebody”? As in: When you love somebody that much, you don’t mind if they slobber. In other words, is your pet a somebody or a something? Also, for centuries, there was little consistency in the...
Susie Dent’s murder mystery Guilty by Definition (Bookshop|Amazon) follows a lexicographer in Oxford who becomes a sleuth of a different kind, seeking the culprit in a long-unsolved killing. A lexicographer herself, Dent includes lots of obscure and...
Appears to have its most common usage in Canada based on the above citations, and based on my own observations.