Bolches and dungeons. The word is misspelled. It is spelled "cabus". It comes from the English "caboose" and is what the last carriage of a train is called. By extension, you can also tell the buttocks or butt, especially of women.
cabuz is incorrectly written, and should be written as "Cabus" being its meaning: The word I think is poorly written and referenced Cabus. In Cuba, cabus, is the car of a train, especially that used for the transport of sugar cane.
It is the word used to refer to the buttocks, ass or back in Mexico. It is the same as cabus, finished in "s". In Spain, usually referring to the back also with the Word as corny as butt or more rude, tambourine.