It was pretty weird to meet him in person—and wow, he has gained a lot of weight!
Then nothing happens again and you fool around and fool around and – wow!
My first thought was, “wow, what an incredibly bold purchase for a stodgy auto exec.”
wow, do red-velvet cupcakes have a following, especially with anyone who has spent time in the South.
At no point do you think, “wow, it must have been so cool to live back then.”
I'm only some stiff wi' the cauld; for wow, but I am cauld!'
wow said the soldier, whose face was bandaged, she'll get it 'ere, won't she?
wow, woman, the Bertrams of Ellangowan are the auld Dingawaies lang syne.
There—there, don't snarl so, you're simply barking—bow, wow!
What the critics in those parts expect from me is something entitled 'wow!
1510s, Scottish interjection, a natural expression of amazement. "This old interjection had a new popularity in the early 1900s and again during the 1960s and later" [DAS].
"overwhelm with delight or amazement," 1924, American English slang, from wow (interj.). Related: Wowed; wowing. Used as a noun meaning "unqualified success" since 1920.