Noun: Disparaging term for a brony, particularly the type who is either actually sexually aroused by equines, or at least jokes about it and smugly uses the term "plot" to mean ass due to seeing one joke image about being sexually aroused by equines. People who use this term may apply it to all bronies.
Another name of asshole, that you can say around kids and no one will know what you mean.
Horse is another name for donkey aka ass
Pocket is a type of hole