An oldie.
Two Scots lassies have just arrived in the U. S. One says, "I hear the people here eat dogs."
The other replied, "Oooh, I guess we will have to do as they do."
They see a hot dog vendor and order two dogs.
Excited, the lassies unwrapped their 'dogs.'
One lassie stared at hers for a moment and whispered, "Which part did you get?"