it is; I am
なんやねん
What the hell?
— Love Letter (1995)
僕は水泳が下手やねん。
I'm terrible at swimming.
でも親父は立派やねん
But my dad is an amazing guy.
チビたちを実家のおばあちゃんに会わせてきた帰りやねん
I’m on my way back after taking the little ones to see their grandma at my parents’ place.
— すずめの戸締まり (2022)
何の騒ぎやねん
What’s all the fuss about?