Rule of thumb with grandparents, be very clear on what you want from them, otherwise you'll end up with something like this:

A 17 year old received this on Christmas day from his grandfather, when he had asked to get Call of Duty: Modern Warfare 2. Syaoran07, posted the image on to reddit yesterday, where he explained that he burst out laughing when he opened the gift in front of his grandparents.

Despite this, he still had the courtesy to say thank you to his grandparents and not complain, and it seems like he did end up enjoying some of the movies in the end.