Someone else who would definitely say that.

(Cave Duck, Tue 9 Nov 2010, 14:38, 2 replies, latest was 15 years ago)

Shocker! American caught in scandal, confused by British humor.
Some say she'll never learn.
( Lisette von Falcon, Tue 9 Nov 2010, 14:40, Reply)

^ That's Jim from The Royle Family tv show K.
en.wikipedia.org/wiki/The_Royle_Family
( JeffTheDogFucker Can you dig it?, Tue 9 Nov 2010, 14:42, Reply)

Yes, sorry Kristine
The character was a grumpy patriarch who constantly used the phrase My arse as a perjorative put down.

The actor (Ricky Tomlinson) seems to never miss a chance to cash in on this catchphrase and has released books and even a Christmas record using it in the title.
(Cave Duck, Tue 9 Nov 2010, 14:47, Reply)

You're sorry! My arse!

( Lisette von Falcon, Tue 9 Nov 2010, 14:52, Reply)

Yay!

( girlinthehole, Tue 9 Nov 2010, 14:52, Reply)

You catch on quick.
Too quick

*sulks*
(Cave Duck, Tue 9 Nov 2010, 14:54, Reply)

we say it all the time here

( Lisette von Falcon, Tue 9 Nov 2010, 14:59, Reply)

My arse!

( Agnostic Antichrist Baltimora, Tue 9 Nov 2010, 15:01, Reply)

ha ha ha ha

( JeffTheDogFucker Can you dig it?, Tue 9 Nov 2010, 14:40, Reply)