Rule 34 Dev - abs amber_eyes anthro balls biceps big_muscles big_penis biped bodily_fluids erection genital_fluids genitals humanoid_genitalia humanoid_penis male masturbation muscular muscular_anthro muscular_male nude outside pecs penile penile_masturbation penis precum ruins sky solo standing black_howler ape gorilla haplorhine mammal primate 2014 3d_(artwork) digital_media_(artwork)|2058168350