This has no value whatsoever, but triple-clicking the title bar of a Finder window minimizes it to the Dock and then immediately boomerangs it back onscreen. The third click is processed after the minimizing animation finishes.

Speaking of useless UI tricks, it was briefly amusing when Apple arranged for the Shift key to toggle animations like this into slow motion, but after a few years it’s just annoying to lose control of an application for five seconds because you had a finger on the keyboard while minimizing a window.