It is an expression of pleasurable surprise or appreciation usually with a sexual motivation.
La Joconde is the French name of La Gioconda (Italian), the lady who posed for Da Vinci, also called Mona Lisa.
Hopscotch
l'omelette (it's the same word in English) It means "an omelette"
taffy
The iPhone 5 rumor mill and more from TheAppleByte
French Canadian Yellow Split Pea Soup
Charles Taylor on Secularism and the French Headscarf Ban
Digital Rights Management: Pros and Cons