Rule 34 Dev - 2010 2boys abs anthro ass balls ballsack big_balls big_penis bondage couple duo erection feline foreskin foreskin_folds furry furry_only gay greyscale grin huge_cock humanoid_penis intact jonrom long_hair_male male male_only monochrome muscles muscular_male no_humans nude_male open_mouth panther penis retracted_foreskin scrotum size_difference sketch standing tail testicles uncut veins veiny_penis wide_hips|633308464