FURVERT!

1:1 absurd_res argon_vile backsack balls beverage_can big_penis body_size_growth canid canine clothing dipstick_tail dominant duo echidna english_text erection fellatio footwear footwear_only foreskin fox genitals hi_res humanoid_genitalia humanoid_penis knuckles_the_echidna larger_dom laugh male male/male mammal markings miles_prower monotreme mostly_nude oral outside_sex penile penis sega sex shoes shoes_only size_difference size_transformation sonic_the_hedgehog_(series)tail tail_markings text transformation urethral_tonguing