Damm!! - spelled in hip-hop/urban lingo - sums up the photos perfectly.
The juicy rear above belongs to unknown thick brotha, but I am willing to bet that we could identify him if he were in our presence.
Below is a video montage of The Fatback Band - a funk and disco group from the 70's and 80's. The name of the group and their extended funk/disco tune, "Backstrokin' (Looking For That Good Stuff)", befits the photos above.