Rule 34 Dev - 1boy 2018 armpit_hair balls belly bowser drake-husky english_text erection humanoid_penis indoors koopa male male_only mario_(series) masturbation nintendo nipples open_mouth penis retracted_foreskin scalie shell shower solo speech_bubble standing super_mario_bros. testicles text uncut vein veiny_penis video_games warp_pipe|3330403304