Deriving from the word Bumba, which means god, and the word Clad which means to be covered. This refers to being godly, a spirit, or wearing armor of god.
Back in Jamaica when the woman had their periods they did not have disposible towels, they would use clothes and then wash then, when they were hung up to dry, when they were on the drying line they were called Bumbacluts. It is a very rude word in Jamaica, like cunt
Rass u fossy hole bumbaclut bwoy mi gonna shoot yah fi dead