He said he would help me move, but I won't hold my breath; he'll only do that when hell freezes over
She promised to apologize, but I'll believe it when hell freezes over
They think they can convince me to change my mind? That'll happen when hell freezes over
He'll clean his room voluntarily when hell freezes over
You want me to lend him money again? That's a deal that will be made when hell freezes over
She said she would share her dessert, but I know that's only going to happen when hell freezes over
The team will win the championship when hell freezes over
He'll admit he was wrong when hell freezes over
I'll start exercising regularly when hell freezes over
They will agree on a solution when hell freezes over
Will you ever clean your room?
Not until hell freezes over, my friend.
So, never then.
I'll lend you money when hell freezes over
That will happen never
It's impossible, it will never occur