To be reported by the other nine players in a game of five-versus-five, for example in League of Legends. In order for an x9 to occur, a request has to be made in All chat.
by report_all June 21, 2016
Gang originating in the Northeast portion of the United States of America. Their colors are black and green. Can often be seen owning up.
Yo check it, X9 done owned up another store!
by __-_ January 14, 2004