FURVERT!

abdominal_bulge absurd_res anal anal_penetration animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro belly belly_inflation bodily_fluids bulge canid canine canis domestic_dog duo entitropy equine_genitalia equine_penis genitals german_shepherd herding_dog hi_res inflation lactating larger_male male male/male male_lactation male_penetrated male_penetrating male_penetrating_male mammal milk muscular nipples pastoral_dog penetration penile penile_penetration penis sex size_difference smaller_male smaller_penetrated smas_(smash_smas)