FURVERT!

2013 4_toes all_fours animal_genitalia animal_penis anthro anus ass_up backsack balls bent_over black_nose butt canid canine canine_genitalia canine_penis claws digital_media_(artwork)digitigrade elverag erection facial_piercing feet fluffy fluffy_tail foot_focus fox furgonomic_piercing furgonomics genitals hindpaw jailbird knot looking_at_viewer looking_back male mammal muzzle_piercing nose_piercing nude open_mouth pawpads paws penis perineum piercing presenting presenting_hindquarters raised_tail shaded simple_background smile soles solo tail toes tongue tongue_out