A very slutty girl who always seems to be blowing guys in a library and when a guy cheats on his girl he tends to take a large step down from the one he has to this very ugly slutty girl. But obviously that's why he went to her. Her mouth is always dropping :o
The condition in which the knees tan several shades darker than the rest of the leg. Affects mostly Caucasian race, but is noticeable to some degree In all races.
Jack said Sarah you sure have a beautifultan and Sarah said yeah, but check out my Nigger Knees.