An exclamation expressing surprise, enthusiasm, or mild disappointment, often used in the phrase 'gee whiz.'
Possibly from French 'je' (I) or an exclamation from British dialect; it became common as an innocent interjection in American English in the early 20th century.
'Gee' is one of those polite exclamations that kids used to learn as an alternative to actual swearing—'gee whiz' served the same emotional purpose as a real curse word but was acceptable to say.
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