FURVERT!

abs animal_genitalia animal_penis anthro balls biceps big_balls big_muscles big_pecs big_penis black_penis brown_body brown_fur canid canine canine_genitalia canine_penis canis claws collar domestic_dog dominant dominant_male erection fur genitals great_dane green_eyes hi_res huffpup hybrid knot leash leashed_viewer looking_at_viewer low-angle_view male mammal mastiff molosser mountain_dog muscular muscular_anthro muscular_male neck_tuft nude pecs penis presenting saint_bernard sheath simple_background smile solo spreading standing stripes teeth tuft white_body white_fur zeus_(zeus.)