With a title as short as Ja2 and a duration under half a second, this clip gives no clear record of a film, show or original creator, so its life online is defined by how editors reuse it. Short yes sounds circulate on soundboards because they are easy to recognise, easy to layer and easy to time to a reaction shot. This one is shared as a compact agreement button, dropped into streams, group chats and short videos whenever a fast, unambiguous yes is funnier than a spoken explanation or a longer reaction clip.