FURVERT!

abstract_background anthro anus back_muscles biped black_nose butt butt_grab canid canine canis collar domestic_dog ear_piercing erection eunuch fur genital_piercing genitals grey_body grey_fur hand_on_butt hi_res humanoid_genitalia humanoid_penis looking_back male mammal markings mustachemutt nude penis penis_piercing piercing pink_penis pinup pose prince_albert_piercing raised_tail rear_view simple_background solo spread_butt spreading standing tail