Origin of the ?idiom: In rude health
I've never heard it before. Must be BrE.
See definition 8 here, Dave.
I don't know about the origin though, Andre.
Last edited by Rover_KE; 07-Apr-2013 at 23:51.
It might be a rare Gallicism: https://www.google.ca/search?q=%22en...ient=firefox-a