Rule 34 Dev - 2017 3_heads animal_genitalia animal_penis athletic athletic_male autofellatio balls black_fur black_hair black_pawpads black_penis blue_eyes brown_balls brown_fur canine canine_penis cerberus claws cloaca closed_eyes diphallia diphallism doberman dragon dripping duo eastern_dragon erection fangs feral flesh_whiskers forked_tongue fur green_eyes grey_skin hair half-closed_eyes hemipenes horn hybrid knot licking lying male mammal mane masturbation multi_head multi_penis muscular muscular_male naga nitrods on_back on_side open_mouth oral outside pattarchus pawpads paws penis penis_lick pink_penis precum raised_leg reptile saliva scales scalie semi-anthro sex sharp_teeth sheath side_view smile snake tail_ring tail_tuft teeth tongue tongue_out tuft vulniir whisker_tuft white_scales yaoi|2724853696