Rule 34 Dev - abs all_fours anal anal_penetration anthro anus back_muscles backsack balls biceps black_body black_fur bodily_fluids bouncing_balls breath brown_body brown_fur butt claws collar cropped_ears cum cum_drip cum_in_ass cum_inside cum_string dripping duo erection fangs feet finger_claws from_behind_position fur genital_fluids genitals looking_pleasured lying male male/male male_penetrated male_penetrating male_penetrating_male messy muscular muscular_anthro muscular_male nipples nude on_front onomatopoeia open_mouth pawpads pecs penetration penis penis_backwards perineum precum precum_drip quads saliva saliva_drip saliva_on_tongue saliva_string sex sharp_teeth sound_effects step_position teeth text toe_claws tongue tongue_out triceps vein veiny_penis mustachemutt cane_corso canid canine canis domestic_dog mammal mastiff molosser pit_bull|11414395510