A abbreviation of "Chinese
Gap" used by the famous streamer "loltyler1" to insult chinese players in his league of legends
game. It is a way of flaming the chinks without being punished in-
game. You use it when a chinese person starts spattering chinese that nobody understands(because its not the chinese server), and you reply with a simple statement "cn gap".
It is a sure fire way of making a chinese person mad and start typing for the entire
game in chinese.