FURVERT!

1_eye 2015 anthro anthro_on_anthro aquatic arthropod balls chair copepod crab crustacean crystalplatypus decapod dominant dominant_male duo furniture genitals green_body green_sclera green_skin half-closed_eyes hi_res humanoid_genitalia humanoid_penis larger_sub malacostracan male male/male mature_male maxillopod mr._krabs narrowed_eyes nickelodeon non-mammal_balls penis pink_tongue plankton_(species)red_body red_eyes red_skin sheldon_j._plankton size_difference smile spongebob_squarepants submissive submissive_male tickle_fetish tickle_torture tickling tickling_genitalia tickling_penis tongue tongue_out urethra