The message
from "John" contains these words:
No help to the OP but I always thought the saying was "A CAT in hell's
chance". Have I been saying it incorrectly all these years?
It's an eggcorn, innit.
q.v.
http://eggcorns.lascribe.net/
--
Skipweasel
Pay no attention to that man behind the curtain.