Share Read on Mobile Enter Reading Mode Kai gets tropical for 'Ko Ko Bop' image teaser Posted on 2017-07-09 18:20:45 by kingjoe20930 EXO has droppedKai's image teasers for "Ko Ko Bop"."Ko Ko Bop" is the title song to the boys' 4th full album 'The War'. The title means to 'bop' along to 'ko ko', and it'll be a dance song to beat the heat. Comment