Rule 34 Dev - abs anthro autofellatio balls big_balls big_penis bodily_fluids collar collar_only detailed_background erection eyes_closed fur genital_fluids genitals glistening glistening_balls glistening_body glistening_genitalia glistening_penis huge_penis humanoid_genitalia humanoid_penis light male masturbation muscular muscular_anthro muscular_male nipples nude oral oral_masturbation pecs penile penile_masturbation penis precum precum_on_penis saliva solo thick_penis tongue tongue_out upside_down vein white_body white_fur notte bull_terrier canid canine canis domestic_dog hunting_dog mammal terrier detailed hi_res lighting shaded soft_shading|87881360