FURVERT!

abs animal_genitalia animal_penis anthro biceps big_penis bodily_fluids bull_terrier canid canine canine_genitalia canine_penis canis collar contiguous_snout cum domestic_dog erection eyebrow_ridge genital_fluids genitals hi_res hunting_dog julius_(tush)knot male mammal muscular muscular_anthro muscular_male obliques pecs penis ribs serratus solo terrier triceps tush_(artist)vein