It will never happen or is highly unlikely to happen
The phrase "when hell freezes over" is a common idiom used to convey that something is unlikely to happen. Its origin is uncertain, but it has been in use for many years.
Hell Freezes Over was created on 1994-11-08.
It means: "whatever happens, good or bad"
The ethical correctness of the data collection methods Amazon makes use of
The cast of When Hell Freezes - 2007 includes: William McInnes as Douglas Mawson
When Hell Freezes Over - 1926 was released on: USA: 6 March 1926
'Over my dead body' 'Not until Hell freezes over' 'Never in a million years' 'Not a chance' 'At no time'
I will believe everything a politician says when "hell freezes over".
Eagles Hell Freezes Over - 1994 TV is rated/received certificates of: Australia:G
Eagles Hell Freezes Over - 1994 TV was released on: USA: 26 October 1994
Face Off - 2011 When Hell Freezes Over - 4.3 was released on: USA: 29 January 2013
Yes, It sounds like 'If you are in big trouble, don't stop trying until you are out of trouble'. 'Going through hell' is an idiom that means going though terrible difficulties.