For the first two years of wow, the APF sold their (at the time $50) rugs through Target.
Watson gets everything wrong and Holmes is then able to wow his friend with astonishing inferences.
And when we got the music I just thought, wow ... take me off the ceiling!
Then nothing happens again and you fool around and fool around and – wow!
And then I made one video on YouTube and got like four nice comments and I was like, ‘wow, maybe I’m good at this!
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.