Ian2 said:vesuvius said:*snip*
I think its a Potato Putarto thing (interestingly 'Your Arse is Grarse' works phoeneticaly over here - though I've never heard anyone use that expression).
Over here an * is a cross between a horse and a donkey.
Interesting. In the US an * is a donkey. A cross between a female horse and a male donkey is a mule, the reverse being a hinny.