The phrase combines poney fringant, a frisky or lively pony, with ferme la, a blunt French way of saying shut it. No clear original film, show or creator is attached to this short recording, so it circulates mainly as a standalone soundboard clip and shared audio file. Its appeal online is the nonsense image paired with the sudden command, which French speaking users recognise instantly and others can still read from the tone alone. That simplicity keeps it in rotation for reaction posts, quick edits and chat jokes.