expression, an expression of astonishment or wonder at something (COD)
“Oh, gee whiz. There used to be snow.”
“Gee whiz, it was just a great place to grow up. I didn’t know anything other than the situation that I was in, so it was pretty ideal.”
“Oh, gee whiz, well they’re milking X number of cows, so we should be milking X number of cows.”
“We got a bunch of trees to come down, but the guy phoned me and said it’s probably going to be like $2000.”
“Gee whiz, I’ll do it for less.”
“I just blather on blather. Oh, gee whiz, I appreciate your tolerance. I really do.”
“We didn’t have any money to work with either, but we didn’t have much going on. And I said, ‘You know this place is dead. We just haven’t called the undertaker’. Gee whiz, they didn’t like that.”
“They had these cupboards … and I was thinking of building a house, and I looked at those cupboards, and I’m thinking ‘Gee whiz would that ever be nice to have those cupboards for when I build my house’.”