Because you have no idea what it means. Wait a few years until your age is in its double digits, go to school, take a sex-ed class, grow up, and you'll get what it means.
Hate to burst your bubble, but based on all of your incredibly stupid threads/posts/overall "contributions" to this site, along with your location [] I think it is more than safe to say that you are still a kid. EDIT: I just noticed the thread title, "INTUR O DUCING" [/facepalm] Are you f--king kidding? Have you never heard of sounding it out? GAH.