rule 34 2021 absurd res anthro armband balls belly big balls big penis bodily fluids bowser bracelet darksideofdiscovery dated flaccid foreskin genital fluids genitals grey background hair hi res horn humanoid genitalia humanoid penis jewelry koopa looking at viewer male male only mario series musclegut muscular muscular anthro muscular male navel nintendo nipples nude overweight overweight anthro overweight male penis precum scalie shell signature simple background solo spiked armband spiked bracelet spiked shell spikes spikes anatomy standing uncut video games 4646115