Rule 34 Dev - abs anthro athletic balls biceps big_muscles big_penis biped bodily_fluids cum cumshot ejaculation erection eyes_closed flexing fur genital_fluids genitals humanoid_genitalia humanoid_penis male masturbation muscular muscular_anthro muscular_male nipples nude orgasm pecs penile penile_masturbation penis pose presenting shumir solo standing tail thick_penis vein da2p galen canid canine canis mammal wolf monochrome sketch|1151401685