FURVERT!

anthro balls big_balls big_muscles big_penis echidna erection fan_character flexing genitals hi_res huge_balls huge_muscles huge_penis humanoid_genitalia humanoid_penis hyper hyper_balls hyper_genitalia hyper_penis looking_at_viewer male mammal monotreme muscular muscular_anthro muscular_male nude penis sega smile solo sonic_the_hedgehog_(series)standing vein veiny_penis vibershot