Compiz wobbly windows effect with libanimation engine.
The use of the "js engine" option NOT requires any external library, orherwise you need to install the LIBANIMATION library patched for Gnome Shell: libanimation patched for Gnome Shell library.
You can install this extension by visiting the GNOME Shell Extensions page for this extension.
You can see extension in action in this video
If you find this extension laggy, you can opts to use the alternative native extension by visiting the GNOME Shell Extensions page.