What does A.D. Gray mean?

A.D. Gray meaning in Urban Dictionary

probably the most ghetto college on earth. Filled up with fat chick's and big hick's with not many folks inside norm(frequently from away from state). The actual only real college in Maine in which if it rains outside it rains around, in case it is bright out part it's still raining inside. The foundation of school is break, additionally the inslation is weed.