FURVERT!

4_toes after_masturbation animal_genitalia animal_penis anthro athletic balls biceps big_penis biped black_hair black_nose blue_eyes blue_penis bodily_fluids canid canine canine_genitalia canine_penis canine_penis_with_foreskin canis chest_tuft claws cum digitigrade erection feet flexing fluffy fluffy_tail foreskin fur genital_fluids genitals glowing glowing_eyes glowing_genitalia glowing_penis grey_hair hair hands_behind_head hindpaw knot leaking legs_up lying male mammal masturbation muscular muscular_anthro nipples nude on_back patto paws pecs penile penile_masturbation penis retracted_foreskin sheath simple_background solo tail tattoo thick_penis toes tuft white_body white_fur white_hair wolf