Someone who is a huge pussy who has been bitten on the back by a pony but claims it was a horse to save face and is now consequently afraid of horses and ponies.
Lee: Man, I am so scared of horses because I got bitten on the back by a horse once.
John: No, wait, you told me it was a pony you PUSSY.
Lee: Uh, no, it was a horse, uh I swear!
Jessica: What a pony boy!