If you haven't unlocked this naturally over the course of the game, the easiest way to get this achievement is in the meditation training mode unlocked after you have beaten the game.
Spawn in a bunch of stormtroopers with electric batons and let them attack you, clicking the dodge button (B on an XBox Controller) immediately before they hit you. You will get a sound effect and a little bit of a slow down effect if you do it right.