Rule 34 Dev - 1boy anthro balls ballsack bowser collar dilf el_shovel erection furry furry_only genitals horns jacking_off koopa male male_nipples male_only mario_(series) masturbating muscular muscular_anthro muscular_male nintendo nipple_piercing nipples penis red_hair reptile scalie shell solo solo_male spiked_collar spiked_shell|13135501112