FURVERT!

2006 4:3 accessory animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro baculum balls black_body black_fur black_nose bone brown_body brown_eyes brown_fur canid canine canine_genitalia canine_penis canis clothed clothing coat comic_sans deep_throat dialogue disappointed dobermann doctor doctor's_office doing_it_wrong domestic_dog duo embarrassed english_text erection facepalm fellatio fur genital_danger_play genitals german_shepherd green_eyes herding_dog hospital humor internal internal_oral knot knotting lab_coat looking_at_viewer male male/male male_penetrated male_penetrating male_penetrating_male mammal medical medical_instrument multicolored_body multicolored_fur necktie open_mouth open_smile oral oral_knotting oral_penetration pastoral_dog penetration penile penis pinscher pointy_ears prick_ears radiograph scientific_instrument sex sheath shirt skull smile spine stethoscope teeth text topwear two_tone_body two_tone_fur uniform unprofessional_behavior wooky