Question, please answer asap.

Rating: Null/10 (13 February 2005)

My step son would like to see this movie, and my husband and I were questioning whether or not it is appropriate for him to see. So my question is (obviously) Is this movie appropriate for a 12 year old boy? How much sexual content is there? Is there any nudity? Is there too much adult humor that he would not get, or is it stuff he would be able to get? He is a normal 12 year old. If you can call any 12 year old normal =) Is it really worth paying the money to take him to it? I know that it started out with a low rating and I want to make sure that it is not just a waste of my money. We are hoping to take him sometime soon. Within this next week. So responses as soon as possible are very much appreciated.