What does black knees black knees mean?

black knees black knees meaning in Urban Dictionary

Black knees are part of ladies who meet random strangers in locations of gathering (for example. restaurant or nightclub) and proceed to give them blowjobs. The characteristic discolouration regarding the patella of black colored women. The color generally is black, in contrast to their particular epidermis pigmentation, which, as we all know, is truly brown.