When you're on IM or texting and a parent or other bothersome person is breathing down your neck, type "9" and the person who you are talking to will understand and switch to a different, more boring topic, like school or work.
SoccerGal419: So Mike and I totally made out last week at the party. I think we're totally gonna hook up!
SoccerGal419: But, anyway, did you finish the long essay for DiMello's class? My topic was, "How Frost's poetry influences actions and minds of adolescents". Enlightening, isn't it?