rule 34 1boy 2014 3dinoz abs animal genitalia animal penis anthro anus ass backsack balls barefoot blonde hair canine erection eyebrows fur hair half closed eyes happy hi res knot looking at viewer male male only mammal multicolored fur muscular nipples nude orange nose pecs penis pink background pitbull pitbullpaw raised leg sharp teeth simple background smile solo spread legs spreading tan fur teeth two tone fur yellow eyes yellow fur 2013982