Judy,
Brits often have great difficulty understanding one another. The Geordie language (One can't really call it a dialect, it's too different) is completely unintelligable to a Londoner.

Cockney slang is used to deliberately confuse the out of town listener.

There is also the classical case of the invoice submitted by an Essex farmer for looking after a horse.

It went something like this...

Afetchinonim 1s 6d
Afeedinonim 2s 6d
Abringinonimomagen 1s 6d.

I'm not sure if I've got the actual costs right, but its the words that matter.

TTFN Bert.