It comes from a David Mamet play, and there's two con artists in the play, and the woman is conning the man, and the man looks at the woman and says, \"Oh, you're a bad pony, I'm not going to bet on you.\"
Dari pementasan karya David Mamet, ada 2 penipu ulung, dan wanitanya menipu sang pria, ia menatap ke wanita itu dan berkata, \"Oh, kamu kuda poni nakal, aku tidak akan bertaruh padamu.\"