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1. Yeah, Nah
Slang from New Zealand

can also be said as Nah, Yeah but with a slightly different meaning.
In context

"Hey bro did you have my keys"

"yeah, Nah" meaning yes I know what you are talking about but no I do not have them

"Nah, Yean." meaning no I do not have them or no about them, but must be a bitch looking for them.
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