OK you got me there, what's a "script kiddy"?

Teenagers who download ready-made scripts and use them to crack into systems. Typically, they shouldn't actually understand the language that the script was written in.

They seem to hang out in IRC, and annoy anyone who uses correct english 1n5t34d 0f 5p3||ing 3v3ryth1ng //|tH Nu//\83rs. I think it's an online reaction to real-world social rejection. Either that, or they think it makes them look clever. Who knows? Who cares?