Simply defined... a BLACK ASS. Used in Puerto
Rico, to indicate, the color of the gluteus maximus in an individual, or, to describe, how
dirty is the
person's ass.
Oye, el novio de
Giselle, se cree blanquito, pero mirale el culo prieto!
(
Hey,
Giselle's man thinks he's white, but, look at his black ass!)