rule 34 1boy animated anthro balls ballsack barely visible balls blue body bouncing balls chubby male digital media artwork erection foreskin genital scar genitals hi res humanoid genitalia humanoid penis inner foreskin intact jerking off hand motion male male only mammal masturbation nude male partial male patchwork creature penis retracted foreskin roamingthrough scar scrotum smooth penis solo stitches testicles uncut 8919164