Rule 34 Dev - 5_toes abs anthro balls biceps biped boots brown_body brown_fur clothing darkened_balls darkened_genitalia darkened_penis erection eyes_closed feet firefighter firefighter_boots footwear foreskin fur genitals hose humanoid_genitalia humanoid_penis jacket lying male manly masturbation muscular muscular_anthro muscular_male nipples nude on_back pecs penile penile_masturbation penis pose retracted_foreskin shoes solo tail toes tongue tongue_out topwear turnout_gear uniform vein chestnuts_(artist) gus canid canine canis domestic_dog mammal 2010|1238554800