FURVERT!

2008 abs abstract_background accessory all_fours animal_genitalia animal_penis anthro anus athletic backsack balls biceps big_penis biped bodily_fluids brown_hair colored dripping equid equine equine_genitalia equine_penis erection fur furgonomics genital_fluids genitals gradient_background green_eyes hair horse looking_at_viewer looking_back male mammal muscular muscular_anthro muscular_male nude pecs penis pink_background pose precum raised_tail ronin-nc simple_background solo tail tail_accessory tail_anus tailband thick_penis vein