Most prominently used in Lauren Faust's reincarnation of My Little Pony show, Friendship is
Magic, and its fans who call themselves bronies. It is a
pony-speak for "ladies and gentlemen", or more appropriately, "boys and
girls". It is related to somepony, anypony, everypony, etc.
"Fillies and gentlecolts! As mayor of Ponyville, it is my great
pleasure to announce the beginning of the Summer Sun Celebration!"
-Mayor of Ponyville, The
Mare in the Moon
pilot episode.