Rule 34 Dev - abs anthro balls biceps canid canine canis dobermann domestic_dog dominic_pepe_(drboumboom32) drboumboom32 erection flexing foreskin genitals hi_res humanoid male male_focus male_only mammal muscular muscular_male muscular_thighs nipples obliques pecs penis pinscher pose ribs serratus solo solo_male tattoo triceps valorlynz vein|9900845456