待你长发及腰劳资咔嚓一刀
[dài nĭ zhăng fā jí yāo láo zī kă cā yī dāo]
When You Grow Your Hair Long Enough, I’ll Cut It Down: A poetic way of expressing a drastic change or sudden decision to sever connections after a period of patience and waiting. It carries a hint of finality and frustration.