FURVERT!

animal_genitalia animal_penis anus backsack balls butt cutie_mark dialogue doctor_whooves_(mlp)earth_pony english_text equid equine equine_genitalia equine_penis erection feral friendship_is_magic genitals growth hasbro hi_res horse laboratory looking_through looking_through_legs male mammal medial_ring monochrome my_little_pony open_mouth penis perineum petrock pony puffy_anus quadruped raised_tail rear_view sketch solo speech_bubble tail text tongue