A term used to describe someone's imaginary life which exists only in his or her own mind. See: Teenager
Maybe in your world homework isn't necessary, but since I'm paying the outrageous tuition to your private school, you're going to finish the homework anyway!
That thing that urban dictionary really wants me to define. What it is, I have no clue, whatsoever. My English teacher taught me that humor is a persuasive technique. So, hence the non-informative definition