aaron_(artist) abs anthro anus balls bed big_balls big_penis blue_eyes brown_fur butt canine claws dialog dog erection fangs fur gaping gaping_anus genital_piercing grin hindpaw huge_balls humanoid_penis husky inviting legs_up looking_at_viewer lying male mammal muscles nude on_back open_mouth pawpads paws pecs penis penis_piercing piercing pink_nose pose power_bottom presenting presenting_hindquarters russel smile solo spread_anus spreading teasing teeth text thick_penis toe_claws toned tongue vein white_fur