expression
how should I know?; don't ask me
Osaka-ben phrase expressing dismissive ignorance, similar to standard Japanese 知らないよ. Often used in a lighthearted or blunt tone.
「明日の天気は？」「知らんがな。」
"What's the weather tomorrow?" "How should I know?"
そんなこと言われても、知らんがな。
Even if you tell me that, don't ask me.