FURVERT!

airedale_terrier animal_genitalia animal_penis anthro anus backsack ball_tuft balls big_balls big_penis biped bloodhound butt canid canine canine_genitalia canine_penis canis claws digitigrade domestic_dog erection floppy_ears genital_raphe genitals german_shepherd group herding_dog hi_res huge_penis hunting_dog knot lddraws male mammal muscular muscular_anthro muscular_male pastoral_dog paws pecs penis perineum raphe_(anatomy)saggy_balls scent_hound scrotal_raphe simple_background tail terrier trio tuft vein veiny_penis