"guy 1 : "daaaamn look at that blue bone over there looking all sexy"  guy 2 : "mmm , she a fine ass blue bone""
since yellow bone means : a light skinned girl and red bone means : a mixed girl
""guy 1 : "daaaamn look at that blue bone over there looking all sexy"  guy 2 : "mmm , she a fine ass blue bone""" What is the definition of "blue bone"?