I guess I hang around with the wrong people. This wasn't offensive. The group I hang out with have said far more insulting things than this to each other. It one isn't "insulted" they aren't liked very much.
Griff wrote:
For the uninitiated, Coronation Street is the longest-running, early evening T.V. 'Soap' in the U.K.
(From today's 'Daily Telegraph'.)