FURVERT!

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