Orignial slag. You say "99+" in an IM when you are bored, have nothing else to say or just want cheep laughs. Sometimes used when there is an awkward situation to break the silence. Or just when the conversation had gone 'stale'. Always used on some sort of IM.
"I have somthing to tell you, I had sex with your mother..."
by Mr-Lo November 11, 2004