Bomboclatt is a Jamaican curse that has no real meaning, its just a curse. It is mostly used to place emphasis on something.
Example 1: "Wah di bomboclatt wrang wid u?"...thats just like saying "What the hell is wrong with you?" emphasis
Example 2: "Bomboclatt!!"...this is used when in shock, similar to word like "OMG!" or "O SH**!!" shock
Example 3:" Move b4 mi box u cross yo bomboclatt face"...this is the same as saying "Move before I slap you across your f***ing face". adjective