or read this: (for those too lazy to google)

The expression comes from a 19th-century cartoon in the British humor magazine 'Punch': A nervous young curate (in Britain, a junior-grade clergyman who is usually an assistant to a more senior member of the clergy) is served a bad egg while a guest at his bishop's breakfast table. Asked whether the egg is to his liking, he stammers: 'Parts of it are excellent!"

Posted By: Dave in France, Oct 25, 15:13:36