Until hell freezes over clause
"Until" can be replaced by "will" or "when".
Used to indicate something lasts forever
When I got stranded on this island, I thought I would live here until hell freezes over.
Where are you now? We won't wait for you until hell freezes over. I'll give you exactly 5 more minutes.
I want to avoid him until hell freezes over.
Said when you believe something will never happen
I will not leave that job untill hell freezes over.
I will not forgive you until hell freezes over.
Said when you believe something will never hapen
Permanently or finally
Used to refer to an impossible plan or idea
Impossible or unrealistic dreams, hopes, or plans
Forever or eternally
This exaggeration dates back to the early 1900s.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.