A filler phrase that a certain girl with advancing white hair and no friends uses to fill gaps in conversation and when she can't think of something to respond with.
Person A: *Deep revelation about life, the universe and everything
That girl: "Achaa"
by MordinSolus June 21, 2021
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The Punjabi word for “oh really?”
“Mom, dad, I promise I was doing homework

“Achaaaaa?”
by Punjabibitch June 9, 2019
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