Rule34.GG

Regular animal genitalia
animal penis
anthro
arms above head
bodily fluids
doomchik
dripping
equid
equine
equine genitalia
equine penis
gay
gay male
genital fluids
genitals
hi res
hooves
horn
lying
male
mammal
medial ring
muscular
muscular male
mythological creature
mythological equine
mythology
on back
penis
precum
precum drip
presenting
presenting penis
solo
spread legs
spreading
sunder (avianis)
unicorn
yaoi