FURVERT!

anthro anus backsack balls big_balls big_penis bowser butt dragon_koopa duo erection femboy foreskin genitals glenn grin humanoid_genitalia humanoid_penis koopa koopa_troopa looking_back male male/male mario_bros nintendo partially_retracted_foreskin penis perineum presenting presenting_anus presenting_hindquarters red_eyes reptile scalie slightly_chubby smile super_mario_bros._3 tail