expression
what the hell are you saying?; what are you talking about?
Kansai dialect equivalent of standard 何を言っているんだ. Used to express disbelief, frustration, or to call out nonsense. Often carries a strong, confrontational tone.
お前、何を言ってんねん。そんな話、聞いたことないで。
What the hell are you saying? I've never heard anything like that.
何を言ってんねん、急にそんなこと言われても困るわ。
What are you talking about? Even if you suddenly say that, I don't know what to do.