FURVERT!

apode big_penis cockslap comic comic_panel dialogue dominant dominant_female draconcopode dragon duo english_text equid equine excited_female excited_for_sex expansion female flat_chested genital_expansion genitals growth gustav_(here_there_be_dragons)here_there_be_dragons horse huge_penis karno lamia larger_female legless male male/female mammal masturbation monochrome mythological_creature mythological_scalie mythology oracle_ruzuya penis penis_expansion reptile scalie serpentine size_difference slap snake split_form text vein veiny_penis wrapped_up zashy