Nickname created for purposes of playing Quake I over the internet. Designed to create fear in the eyes of the flag defenders, it was originally prefixed with the wordmark but these days this is dropped.
McGod is not to be confused with MC God, this would then be an alias for a Rap Garage bad boy etc.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi