FURVERT!

american_pit_bull american_pit_bull_terrier anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis aperture_laboratories aperture_science balloon balloon_fetish balloon_support balls big_balls big_penis black_background bodily_fluids brown_body brown_fur canid canine canis claws computer cum cum_in_balloon cum_inside dialogue domestic_dog dripping electronics erection feral fur genital_fluids genitals german_flag german_text germany hi_res humping hunting_dog inflatable inflatable_support knot knotting laptop legs_up long_tongue male mammal on_balloon open_mouth paws penis pit_bull portal_(series)raised_leg raised_tail realistic saliva sex_toy simple_background solo tablet tail technology teeth terrier text tongue tongue_out toy_humping translated valve valve_corporation wooden_box zieheleine