FURVERT!

3_toes anthro balls big_butt blush bottomless brown_rat butt claws clothed clothing elderly elderly_anthro elderly_male erection eyebrows feet fur genitals grey_body grey_fur had0u half-closed_eyes hand_on_penis hi_res huge_butt humanoid_genitalia humanoid_penis looking_pleasured male mammal master_splinter masturbation mature_anthro mature_male motion_lines murid murine narrowed_eyes open_mouth penile penile_masturbation penis rat robe robe_only rodent solo tail teenage_mutant_ninja_turtles teenage_mutant_ninja_turtles_(2003)teeth thick_eyebrows thick_thighs toes tongue whiskers