Rule 34 Dev - 1boy abs alpha_channel animal_genitalia animal_penis animated anthro biceps black_nose black_penis canine canine_penis doberman erection fist flexing furry hairless hungothenomster hyper hyper_muscles knot looking_at_viewer loop male male_only mammal multicolored_skin muscular open_mouth pedestal penis pixel_art presenting red_skin short_tail skrap solo standing tailwag tan_skin testicles thick_thighs transparent_background vein|2681934944