PornHubGif lined up 31 just a jerk gifs for you - every one free and on autoplay.
If drop is your thing, start at the top row - those gifs match just a jerk closest.
People who watch just a jerk usually also look up drop, tease, finger.
They are matched by title and tags, and the closest ones are shown first.
31 at the moment. The list refreshes automatically.