勝かっ手てにしろ

expression, interjection

have it your way; do as you please; suit yourself

A blunt, dismissive imperative telling someone to do whatever they want, often with irritation or resignation. Can range from mild exasperation to strong anger.

• もう知しらない。勝かっ手てにしろ。

  I don't care anymore. Have it your way.

• 勝かっ手てにしろ！俺おれはもう帰かえる。

  Suit yourself! I'm going home.