Rule 34 Dev - aged_up ai_generated anthro ballsack bara biceps big_balls blue_fur cat_ears collared_shirt facial_expressions furry gumball_watterson hand_in_pants hand_on_penis heart male male_only masturbation muscular original_ai_artwork pants_down pecs pectorals penis precum stable_diffusion the_amazing_world_of_gumball whiskers|11037969984